The ventilation "canister" which allows the fuel system to "breathe" has clogged up twice now. give this a try before taking your engine apart. Replacing the fuel filter in your Ford Explorer every 30,000 miles will prevent expensive fuel system failures such as clogged fuel injectors and a damaged fuel pump. So any obstruction in the fuel supply, the air supply, or the exhaust system could be a cause of this symptom. Float valve clogged or stuck closed. I finely figured out if I put my spare key in the Gas cap and open it when the cutting out started that would fix it. When you first open your fuel door and unscrew the cap, you should hear a loud hiss as your fuel system depressurizes. But to get there, we'll need to get into what causes drain clogs in the first place. The cap has an outer chrome bit and an inner sprung rubber seal. IGNITION PROBLEMS Is the spark plug fouled? Remove the spark plug; clean the contact or replace the plug. What does this code mean anyway? The definition for this this P0171 code is Fuel Trim System Lean (Bank 1). You can also open the gas cap and listen for air being sucked in which will indicate a clogged vent. 70 ATC - Gas Cap Vent Clogged? If this is your first visit to 3WHeeLeR WoRLD, please take a moment and look around. I removed the plastic line at the switchover valve and sprayed brake cleaner through it. Clogged Fuel Filter Symptom Questions Yesterday I noticed the tell-tale anemic response of the car (the 91), very suddenly and noticeably, alerting me to the fact that I need to replace my fuel filterswhich I will do this afternoon. gas cap) on lawn mowers, chainsaws and other gasoline-powered outdoor power equipment is a magnet for dust, dirt, grass and other debris. If it gets stuck open, it will drag down your O2 level as sensed before your upstream catalytic converter. Gasoline containing higher levels of ethanol is corrosive and quickly attracts water, which can cause starting or running problems or, in some cases, damage to your engine’s fuel system. Possible clogged fuel line. Move the spring clamp up the hose approximately. Fuel tap clogged. The third screen is attached to the fuel inlet elbow on the carb. Perhaps the driver could be instructed to do the Fuel Right part just after he fills the tank. NOx is generated by high combustion temperatures. Just pass a wire to clear the passage. wouldnt hurt. In the last year the motor has ran out of fuel twice because of the tanks not leveling the fuel out. All outboard motors have vented gas tanks. remove the gas cap regulate shop air to 15psi and try a back blow if nothing else this may dislodge chips or rust particles and move em back to the tank. He said pull the gas cap vent hose out of the steering stem, I did, and I knew right away what happened. Perhaps that vent inside the cap needs replacing or cleaning. Do they have some new way of venting gas tanks for enviromental reasons or something. However, if your gas cap is damaged and needs to be replaced, you're looking at spending a few bucks. Both appeared to have water in them - kinda of an 'emulsion'. I removed the main fuel line on top of the engine and got fuel but it does not mean it was in the correct PSI range. So i pulled over and fuel was venting out of the gas cap and also a small amount from the charcoal canister. Are you curious about what 2013+ Dodge Diesel fuel cap and DEF cap options you have? Check out the video. The gas supply pressure may be low. Have a clogged sewer line? Turn off your main water supply ASAP. Check your gas cap to see if it has a small hole to allow smooth flow of gasoline into the combustion chamber. If any of the screens is clogged, look immediately upstream to find the source of the problem. the vent on the tank is on the top. When you remove you vehicle's fuel cap to fill your tank with gas or diesel fuel, you insert the nozzle from the service station fuel pump into the fuel filler neck. SKP fuel tank filler necks are built for OE fit and function while providing enhanced corrosion protection thanks to a dual coating. They often look like cylinders with a nipple extending from the front and back. Driving the vehicle with a non-flashing generic code will almost certainly cause an increase in emissions and a decrease in fuel economy-which can be robbing you of up to 20% fuel efficiency at each fill-up. You should have a charcoal box on the rear pass side under the bumper. Look at your gas tank. A clogged gas burner will give off a weak flame—or in some cases, no flame at all if the burner is badly soiled. cap the fuel line to avoid. Buy part. Unfortunately, a number of issues, from contaminants clogging hoses to condensation developing in the tank, may lead to issues with your boat, says FreshlySalted. Okay, if the system is clear and there are no other problems, replace the fuel pressure sensor. Also please check out the statistics and reliability analysis of Ford Escape based on all problems reported for the Escape. Many people use a dry rag to remove the "crud" but I've found that the most efficient way is to use a paint brush. The damp air from the wet clothes is trapped inside the dryer, and this makes it difficult to fully dry a load of clothes in one cycle. Restore gas and power to the stove and test the burner. Fuel cap vent dirty. Keep this area free of soil and do not allow spills, food, cleaning agents or any other material to enter the gas tube open ing. If the culprit is a gas cap or temporary changes in the environment, the light should go away and it is not a serious issue. Water in the fuel can reduce the lubrication of the pump causing wear, and can cause the highly machined surfaces of the pump to rust or corrode. I suggest running it until you get to 1/2 a tank, then fill up, and then keep adding more fuel when it gets just around that mark again. How to Clean a Vent Cap on a Stihl Chainsaw | eHow. When I started getting the car back up and running the tank/fuel pump were replaced. Use a rag to sop up any fuel as it dribbles out. This is a discussion on Gas Cap/Vapor Canister and Gas Mileage within the General Help forums, part of the LSx Technical Help Section category; Recently my 98 T/A had a significant reduction in fuel mileage. Dirt and water in fuel can cause engine damage: · Clean dirt and debris from the fuel tank opening. The vent can be washed in soapy water to remove any grease and debris causing the blockage. If your gas cap is loose, tighten it and clear the code. The gas tank has to "breathe" - let air in and out as fuel levels rise and fall as the car is driven, and even as it sits idle. A fuel pump supplies fuel in the gas tank for the engine for combustion. [The fuel tank] took only a few gallons and then the gas kept creeping towards the top of the fill hose. Do this a few times. Is the fuel tank cap clogged or un-vented? Make sure the cap is vented and that air holes are not clogged. How To: Fix a Clogged Fuel Injector If you have a vehicle that has fuel injection, you may notice a decrease in performance and fuel mileage as your vehicle ages. The saw holds such a small amount of fuel, that I can only cut for a few minutes once I reach my desired location. The gas cap has a tiny vent to let air into the tank and equalize the pressure. I removed my 55 Gas tank and took it to a radiator shop - only $80 to "cook" out the crud, and install a new pickup tube. There are many reasons why your vehicle may be losing power, especially when accelerating. You may not always experience a rough idle, but poor fuel economy is a sign of a bad fuel system, which could trigger a misfire. Almost every driveability class I have taken always point at the fuel filter as one of the first items to check. It was weird if i remember right it happened at around a certain temp. cap and grate. Okay, if the system is clear and there are no other problems, replace the fuel pressure sensor. The first thing to check if the pilot light has gone out, is whether or not the gas valve is open. It should allow air out through the vent nozzle inside the cap, and through the cap itself, but not allow fluid to flow back in. Many people use a dry rag to remove the “crud” but I’ve found that the most efficient way is to use a paint brush. This problem can also be due to more subtle things, like a clogged muffler screen, or a clogged air filter. my method has worked over a dozen times. The reason is that when you are adding fuel to the tank, the vent is clogged. I also replaced the cap - no effect. This explains why fuel is not free flowing to the fuel filter. I can feel the air - lots of it - coming out where the gas cap goes. Loose and missing gas caps are not the only cause of EVAP system leaks, but they are the number one suspect. Fuel filters are usually located near the back of the vehicle along the fuel line that runs from the gas tank to the engine. Tank Filler Pipe And Cap Problems of Ford Explorer Ford Explorer owners have reported 14 problems related to tank filler pipe and cap (under the gasoline fuel system category). This is known as E10 fuel. N20 ( Nitrous Oxide) is the only gas that can be used in your whipped cream dispenser to make whipped cream. Make sure you bleed off the pressure in the system. A clogged or plugged fuel filter is another problem with a fairly simple remedy. clogged gas cap The main function of a gas cap to prevent a leak as well as to re-supply air into the fuel tank as fuel is consumed by the engine. Unscrew the cap with your hands, being careful not to spill the fuel in the cap. Anyway guys cut your vent hose a little shorter and pinch it off when you wash it. WARNING: Gas leaks cannot always be detected by smell. 8T Wagon w/ AT I have an issue with a leaking fuel near a fuel filter. If the tank can't vent this added pressure, fuel will stop flowing from the tank to the carburetor due to an imbalance in the atmospheric pressure and the tank pressure. If fuel is leaking from the cap, a properly fitted replacement cap can solve the problem. As you all probably know, SU stands for Skinners Union and was the brainchild of George and Carl Skinner. Clogged Fuel Filter Symptom Questions Yesterday I noticed the tell-tale anemic response of the car (the 91), very suddenly and noticeably, alerting me to the fact that I need to replace my fuel filterswhich I will do this afternoon. Check out the video to find out what you'll need to do in order to clean it. If the car has no power when accelerating, it means there is some defect in the fuel pump. A chimney is designed to safely and effectively remove the dangerous fire byproducts produced within the fireplace out of the home. Do not clean in the dishwasher. How To: Fix a Clogged Fuel Injector If you have a vehicle that has fuel injection, you may notice a decrease in performance and fuel mileage as your vehicle ages. Morris Minor Locking Fuel Cap Assembly. It fits securely under the gas cap and is a cinch to install and remove. Saw this recently on a 172 a friend flies. Even thou fuel pressures are very high clogged fuel injectors does occur. 5 percent, according to CarMD. Popping the gas cap will tell you if it is or not when it stopped running. Sometimes a clogged fuel filter will make itself known during a fuel pressure test. Fuel is used to lubricate the fuel pump. I suspect my fuel injectors are partially clogged. Clean fuel inlet screen in carburetor. If the fuel filter was empty, it may not have pulled gas up yet. NOTE: Do not use a wooden toothpick, it can break off and prevent proper gas flow. From a safety standpoint there is a slight risk, because a clogged fuel filter might cause you to stall unexpectedly. Gas leaking from the gas cap is far more common on Vulcans than many may think. Recommended Product for Cleaning Fuel Injectors. Installed and fuel flows steady and strong now. If you want to purchase something Sandra Darren Women's 1 Pc Cap Sleeve Printed Floral Knit Fit & Flare Dress, but actually want to contact and feel the real item very first, try to find this product at your mall or local retailer. it is a small hose, not much bigger than a distributor vacuum hose. There are many reasons why your vehicle may be losing power, especially when accelerating. This is a good opportunity to replace the fuel line and filter, using original manufacturer's equipment. probably 2 to 3 gallons. We offer standard OEM type gas and diesel caps, to large and more durable heavy duty and locking styles. Starting technique incorrect (when flooded, kick with the throttle wide open to allow. A clogged vent on the gas cap can pressurize the gas tank and upset flow. Also, inside the filler neck itself is a anti-siphoning screen. When I take the gas cap off there is a huge gush of air that comes out and it won't let me put gas in. The other tube from the reservoir is an overflow to vent excess air and coolant. If you don't see that small hole then drill a small hole, and it should solve your problem. Over time, the filter element clogs, restricting and blocking fuel flow. Another way to keep your fuel pump working longer is to keep high quality gasoline in it. Clogged vents can lead to sewer gas backup, which can make you or your family ill. The vent often cannot be cleaned because it is made of a semi porous ceramic material. Popping the gas cap will tell you if it is or not when it stopped running. Pretty sure the cap itself doesn't vent. Re: clogged fuel lines on 4020 Yes the fuel tank can be cleaned by removal and cleaning. when it is shut off, it levels back out between tanks. The time to cloggage has to do with size of the mesh, size of the cap, and yes you can gunk it up with poor burning habits. Boost your car's fuel efficiency and save money in the process with these simple tricks, including keeping tires properly inflated and avoiding congested roads. HARD STARTING, COLD. If the fuel cap vent is clogged, air won’t be able to enter the tank and a vacuum or “vapor lock” will occur. The Engine Control Unit (ECU) dictates when the injector should inject fuel into the engine cylinder. The fuel line is a clear, plastic hose that runs from your gas tank to your lawn mower's carburetor. No fuel in tank Fuel tap turned off Tank cap air vent obstructed Fuel tap clogged Fuel line clogged Float valve clogged Engineflooded Float level too high Float valve worn or stuck open Starting technique faulty (When flooded, kick with the throttle fully open to allow more air to reach the engine. The distributor cap plays a vital role in the health of your engine. Go to the cap itself, find the aligning hole on the underside and suck through it using the same hose. Turn the gas cap counter-clockwise to loosen the cap and pull the gas cap off of the fuel tank. Similar to a rusted fuel tank, a corroded filler neck can lead to premature fuel pump failure, clogged filter and injectors, and performance issues. A clogged or dirty cabin air filter can significantly reduce air flow through cabin vents, increase the load on the blower motor, and allow allergens into the cabin air stream. The fuel injectors can become clogged with dirt and oil, which means the gas isn't getting to the engine properly. You may have moisture in the burner ports from cleaning or a spill. com ® ! With their simple installation, range of sizes and paintable surface, these pipe screens guard against animals and other material from entering the pipe and clogging or blocking the flow, and. Turn tampering away - enhance your peace of mind with this precision-fit fuel plug. Restore gas and power to the stove and test the burner. Move the spring clamp up the hose approximately. The gas supply pressure may be low. Those pieces of advice are all beneficial to a lot of users. Loose and missing gas caps are not the only cause of EVAP system leaks, but they are the number one suspect. Clogged Fuel Injectors on an Expedition - How Do You Clean Them? Updated on February 14, 2008 What Happens If You Drive with No Gas Cap? https:. When the cap is not tight it runs fine. The rubber seals on Cessna fuel caps get hard over time and will not open to allow air into the tank in the event the under wing vent gets clogged. The hint is that it only screws up when the car is under load. Since then, it has done it again. Do not use a wooden toothpick, it can break off and prevent proper gas flow. After all sorts of trials, such as filter replacement, it comes down to lack of fuel caused by a bad venting of the fuel cap. I also replaced the cap - no effect. EVAP codes will normally reset themselves (and the CEL) after they see the fuel system. The problem is always going to be related to one of four things: 1) Overfilling of gas tank - fill to the bottom screen only. You may not always experience a rough idle, but poor fuel economy is a sign of a bad fuel system, which could trigger a misfire. HARD STARTING, COLD. Bx 25 clogged fuel tank. Get the fuel thru the pump and going to the carb to continue checking for a no start. Running water going down the drain pipe creates a vacuum that could siphon the U-trap dry. Place the gas can on a flat, stable surface and insert the funnel. Biodiesel fuel encourages the growth of microorganisms which may cause degradation of the fuel. Here is why. A bad or failing fuel filler neck can cause issues with the emissions of the vehicle, and can even become a safety hazard if the vehicle leaks any fuel. I had a gas tank develope a tiny hole in the bottom of the tank. Clogged Injector. Fuel Filter Bowl Cap for Ford 7. Defective Fuel Pump is one of the reasons for car loses power while driving. I also blew out the line going to the solenoid and can feel the air coming out there as well. Truck misses at and over 2750 rpm. This is known as E10 fuel. Clear Symptoms of Water in a Car's Gas Tank and How to Fix It This post from WheelZine will tell you the ways in which water can enter the gas tank, its symptoms and effects, and also the means by which you can remove water from the gas tank. By starting the process at a fill, that would also ensure that another fill would not happen soon thereafter while the liquids were still in the vent line. That can be a tricky procedure, and you risk making mistakes which can damage engine parts. a clogged filter would have more to do than a gas cap. Use the pliers, and pinch the metal spring clamp together at the small metal ears. Replacing the fuel filter in your Ford Explorer every 30,000 miles will prevent expensive fuel system failures such as clogged fuel injectors and a damaged fuel pump. No,gas cap only to seal fuel vapor from venting to the atmosphere,maintain a small pressure for EVAP system functioning,should not cause stalling or no stat. After all sorts of trials, such as filter replacement, it comes down to lack of fuel caused by a bad venting of the fuel cap. The benefits of regular cleanings include better fuel efficiency, flame control and no rust or corrosion. The air filter is clogged. One common reason for clogged plumbing is a blocked vent. Two weeks ago i idled all night on a flat level surface with a 1/4 tank of fuel. A clogged bathtub trap is a bigger problem to fix, but not impossible. Gas leaking from gas cap If this is your first visit, be sure to check out the FAQ by clicking the link above. It is not in the cap and for the life of me I cannot find it. Recommended Product for Cleaning Fuel Injectors. Fuel injector problems can be a serious matter. The best fuel injector cleaners can help you locate a leak; during the cleaning process, when pressure builds and you're already under the hood, you'll be able to tell if there's a leak, (especially if there's gasoline on your spark plugs). Clean out the vent hole. I have 20k on my 2010 C14. All you need to be able to do is open your gas cap, pour, and drive! By contrast, direct cleaning requires you to know how to get into your engine, and probably remove components. The most recently reported issues are listed below. My String Trimmer Starts, But Won't Stay Running The gas cap on most trimmer has a small air inlet hole that allows air to enter the fuel tank, preventing a vacuum from forming as fuel sprays. a plugged hole in the gas cap will stop the flow of gasoline. A sticking needle will load the bike up with raw gas. Make sure there is no old fuel resting in your snow blower. I removed the main fuel line on top of the engine and got fuel but it does not mean it was in the correct PSI range. The fuel filter on a weed trimmer sits inside the fuel tank, connected to the main fuel line. One trap provides the water seal to keep out sewer gas. If older carbs, east to trace. If you see a 1/8 pipe under your gas cap, this is your vent. Shop for aftermarket, replacement automotive Fuel Lines & Hoses for your car, truck, SUV, or van online or call us at 888-844-3393 and order your Fuel Line Assembly or Fuel Line Hose today!. If I pop the fuel cap before trying to start it fires right up with no issues. If I open and close the fuel cap it starts right back up again. Check for leaks before every use. At idle, when the air/fuel mixture is very critical, just a little of the vapors are allowed in to the intake system. When you first open your fuel door and unscrew the cap, you should hear a loud hiss as your fuel system depressurizes. Unscrew the cap with your hands, being careful not to spill the fuel in the cap. Be careful when removing fuel rail end cap as the fuel rail may be under high pressure. Second, the design of my gas cap/fill/vent mechanism (and perhaps most others) includes a through cap vent system. Diesel fuel isn't hugely flammable, so if a little drops on the hair dryer or heat gun there likely won't be flame. The gas tank has to "breathe" - let air in and out as fuel levels rise and fall as the car is driven, and even as it sits idle. A faulty fuel pump or a clogged fuel filter will result in lower than normal fuel pressure at the rail. That hose is about 26 inches long!!!! I blew water in the tank threw the gas cap vent hose when I had it on the rear wheels. If the cap vent is clogged, the gas tank will experience a vacuum or vapor lock as fuel is consumed. This saw's vent system is as follows. This can make it hard to insert and remove the cap, but perhaps the biggest hazard is the fact that a gunky or dirty gas cap can leave some of that residue behind, which can fall into the gas itself. Check your gas cap to see if it has a small hole to allow smooth flow of gasoline into the combustion chamber. Clogged Air Filter - Put the air filter up against a bright light and check if there are dark areas deep in the filter. So not a tank vent. The mower was fully serviced a year ago, so that's pretty new. Biodiesel fuel encourages the growth of microorganisms which may cause degradation of the fuel. Report This gas. To remove any built up varnish from the insides of the fuel injectors. 10 of a gallon in and it acts like the filler is clogged. The fuel injectors can become clogged with dirt and oil, which means the gas isn't getting to the engine properly. I think the saw is an '04 and I am trying to find the gas tank vent. Below are the most common symptoms of a bad fuel injector and the average cost to replace them (when cracked) or clean them (when clogged). Just one line from the left carb. A fuel cap that does not vent properly may cause your engine to not run properly. The reason is that when you are adding fuel to the tank, the vent is clogged. Open the fuel shut-off valve. Changing the fuel filter (especially if it’s been a while) may be your ticket here. Ensure the draft is above the required pressure. There are three hoses attached. Removal of the filler cap will establish if this is the problem. YourMechanic. Today as soon as I started to fill gas was dripping like a leaky faucet from a small tube under the car even with only a couple gallons being in. 7 vortec that has been having a problem for about 6 months now. Check to make sure both fuel supply and return lines are not clogged, cracked, bent, kinked, etc. Okay, if the system is clear and there are no other problems, replace the fuel pressure sensor. Condensing Only: 1. After you remove the sewer jetter hose replace the cap on your cleanout. During heavy acceleration the engine must move the maximum amount of air and gas through and out the exhaust pipe. any ideas? thanks. 3) Take off the fuel tank cap. Fuel pressure internal to the injection pump partially controls injection timing. If you know its a fuel problem the first step is to turn the fuel valve to off. I am running a repro shelby style cap with the obligatory striking snake emblem and I was wondering if that gas cap is ventilated?. Not only that, but a clogged fuel filter is also detrimental to fuel efficiency. I ended up taking the washer with the hole in it out of the gas cap. Fuel caps have a small hole on top that allows vapor within the fuel tank to escape. The computer will then adjust fuel flow (and possibly other related engine operating characteristics), to keep the correct air fuel mixture. Before this problem I also replaced the cam positioning sensor and the oil filter housing gasket. Today as soon as I started to fill gas was dripping like a leaky faucet from a small tube under the car even with only a couple gallons being in. Fuel pressure internal to the injection pump partially controls injection timing. This page describes a modification to the fuel tank of Ford Powerstroke diesel trucks known as "harpooning the tank". Look for plugged catalytic converter, bad muffler baffle, kinked or crimped pipe, dirt or other foreign matter in pipe. Fuel Cap As fuel is consumed by the engine, the level in the fuel tank lowers. A fuel cap that does not vent properly may cause your engine to not run properly. The fuel consumption has not really changed much though. For Use with Capless Fuel Filler System. A functioning radiator cap will maintain its rated pressure. Step 1 - Check your gas cap. I dont see the cap having that big of a difference in mileage, i would try to change the fuel filters which are usually pretty easy to get to, some cars are even easy to where they are on the bottom on the side of the car so you dont have to go under it. If I pop the fuel cap before trying to start it fires right up with no issues. P0440 or a P0455 - This is a Large leak indication or as people call it "The GAS CAP code" This is a TYPE B code. It is also designed to vent excess heated gases to keep the right amount of pressure, which allows the fuel to be pumped into the carburetor via the fuel line. This page describes a modification to the fuel tank of Ford Powerstroke diesel trucks known as "harpooning the tank". Also, if you are used to overfilling your fuel tank, the vapor canister will end up getting soaked with gasoline, letting out that distinct fuel odor. The Datsun 240Z gas tank is often overlooked, and the hoses can be in sad shape. Most urgently, because transportation from motor vehicles is the largest source of greenhouse gas emissions in the United States. The fuel filter can be installed in the rubber hose between the fuel sending unit and the fuel line that runs forward to the fuel pump on 1963-1974 cars. Could be the outlet of the tank clogged with debris, in which case blowing back through the line may dislodge it. Plugged fuel filter. If your gas cap is loose, tighten it and clear the code. still does it. Make sure you bleed off the pressure in the system. A friend told me to leave the vent open. Gently clean the igniter with a damp cloth. FASS diesel fuel systems are the preferred fuel air separation systems among discerning drivers worldwide. 2) Clogged gas tank vent, or fuel venting system. Refer to your owner’s manual for specific intervals. It stands to reason if you want to get fuel out of the tank, you gotta let some air in. I'm having quite a bit of pressure being released from my gas tank when I screw off the gas cap. Fuel pump problems are hard to diagnose sometimes. Be careful when removing fuel rail end cap as the fuel rail may be under high pressure. A defective fuel cap can cause your vehicle to fail an emissions test, and allow up to 22 gallons of gasoline to evaporate in one year, wasting your money and polluting the environment. Carburetors and fuel injection systems can be clogged up by the tiniest of particles, so a properly functioning fuel filter is very important. Turn the gas cap counter-clockwise to loosen the cap and pull the gas cap off of the fuel tank. Cleaning the Drain with a Sewer Jetter. If the fuel injectors are dirty of clogged or otherwise out of balance, the risk for engine damage can be very high. A clogged vent on the gas cap can pressurize the gas tank and upset flow. That hose is about 26 inches long!!!! I blew water in the tank threw the gas cap vent hose when I had it on the rear wheels. Do not clean in the dishwasher. They’re not time-consuming at all!. The fuel tank breather pipe or valve is often overlooked as a cause of engine chugging and loss of power. So you may not be able to tackle every fuel system issue on your car without some experience in car repair. The unburned fuel/oil mixture builds up in the exhaust pipe along with carbon over time. In order to cool the gas before introducing it into the intake, they have coolant running through the egr cooler to exchange the heat. I added a holley electric fuel pump which cured the lean out on top end but now when I open the gas cap I hear a sucking sound. The idea is designed to simplify fill ups, reduce emissions (evaporating gasoline), reduce incidents of using the wrong type of fuel, and protect vehicles from theft. If the filter gets clogged, you may risk damaging your fuel pump and your fuel injectors. P0442 – This is a Small leak indication. Lead me to exhaust. remove the gas cap regulate shop air to 15psi and try a back blow if nothing else this may dislodge chips or rust particles and move em back to the tank. I happened to glance at the gas cap and there was a drop of water right over the vent hole, so i blew it off. While every factory Ford GT40 is special, some are more special than others. Fortunately, it's a fairly easy matter to clean gas burners. On BMWs with a distributor (generally pre 1991) it's worth checking the rotor arm and distributor cap as worn sets can make a huge difference to power and mpg. Just one line from the left carb. About 6 months ago my 2009 75hp Etec started running on only 2 cylinders. The first thing I would do is remove the cap and see if it's clogged. Low fuel pressure would affect all cylinders rather than an individual cylinder, as would most air leaks. YourMechanic. One trap provides the water seal to keep out sewer gas.