Question about 2007 Subaru Impreza Outback Sport Wagon

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Check engine light comes on. trouble pumping gas. is there a pressure vent that could be blocked

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Yes a fuel tank vent that goes through the carbon canister. Controlled by then PCM

Posted on Nov 10, 2014


You got a check light

Why haven't you retrieved your OBD Codes

Obviously you suspect the Evap System Vent
Control Solenoid Valve & on a guess, I would agree

Still have to test the system, to find a problem

If you continue to use it ,when the evap monitor
runs, you will get extra air in the motor & then extra fuel
to compensate possibly & there goes your exhaust
converter 10 years ahead of time

Posted on Nov 10, 2014


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Posted on Jan 02, 2017

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2007 Honda rancher 420 installed new fuel pump Fuel injected still will not start, we spray gas in it will run

Even with a new pump its important to check fuel pressure and flow . Low pressure fuel pressure regulator stuck open or fuel pump faulty . Low flow blocked fuel filter . if the above is all ok. Back probe injector with led trouble light , light will glow while motor is turning over. if not check fuses , if ok check injector cable back to the ECU for bad connections .

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Diesel pump pressure switch

have you checked what code(s) are causing the light to come on or are you just going to guess what's causing it to come on ??? have the engine control module scanned for trouble codes

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Ran it out of gas, now runs fine cold, as soon as its warm starts hard, and stalls when put in drive

Is the \'Service Engine Soon\' light on? Only from what you described, it sounds like the engine\'s running in \'open loop\' (fast idle, cold) okay, then when it\'s supposed to go into \'closed loop\', you have a malfunction. Checking the trouble codes will pinpoint the problem; your truck is pre-\'95 so it\'s the older OBD-I and you could get the trouble codes by grounding the proper terminal in the ALDL, counting the blinks of the SES light and using it to determine what electronic control device is malfunctioning. If no SES light/trouble codes and since you ran out of gas (?), it might be time to replace the fuel filter and possibly check the fuel pressure and/or fuel pump.

May 21, 2014 | 1990 Chevrolet K1500

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Dion engine

Check ignition and gas.

Listen for the fuel pump to come on for a couple of seconds with key ON. If you hear it, pump is working, check for gas at the fuel rail on top of engine. Should have gas under pressure.
If pump doesn't come on, check the fuel pump fuse, check fuel pump relay. Last, use a test light or voltmeter and check if the fuel pump wire has power to the gas tank connector when the engine is cranked over. If power there, fuel pump will need taken out and replaced. If no power at the pump, pump circuit needs checked.

Check ignition by checking for spark at a plug wire end. Pull off plug wire from spark plug, push the boot back so metal end terminal is exposed. Hold the end terminal 1/4 inch from a grounding source like a metal bracket or bolt on engine. Have a helper crank the engine over and watch for a spark-you need to see a blue snapping spark to know the ignition is good. Maybe wear gloves or use a heavy rag holding the wire-you can get shocked if not held close to a ground. Another way is to pull off the wire from plug, remove plug from engine, then re-attach plug to plug wire, and lay the plug on top of engine where the plug threads are touching metal-now the plug is grounded. You will not have to hold the wire. Have the helper crank the engine, while you watch for spark at the spark plug end. If you have a blue snapping spark, ignition is good. It is a good idea to check for spark on more than one plug wire-maybe another coil is not firing.
If your ignition is good, and you hear the pump come on, possibly a weak pump not putting out enough pressure- then check fuel pressure with a fuel pressure gauge. Fuel injection requires high pressure, so the injectors will spray fuel out.
If still no go, scan computer for trouble codes. Check if your security or theft deterrent has immobilized the car.
Good luck.

Sep 29, 2013 | Mitsubishi Cars & Trucks

2 Answers

My check engine light comes on very often and everytime I've gotten it checked, they say it is the gas cap. I know I put the gas cap on right. Recently when I get gas, the pump clicks off like my tank is...

Yes, you need to try a new Vent Solenoid for the Emissions hoses on the venting system for the gastank. There is also another test which can find leaks in this system.

Not many Repair shops have a machine called a "Smoke Machine", but call around and compared prices. The test is really simple. The machine is hooked up to your gastank vent hoses. A special chemical smoke is forced into the vent system, and when a leak is found, you fix it.

You may replace a vent hose or just patch it, as a road hazard may have punctured it. Or the vent Solenoid could be leaking and the test will show that problem too! As I notice you are driving a 2008 Model, you could be covered for this repair by Warranty.

Actually, anything pertaining to Emissions leaking into the atmosphere would fall under the longer pollution coverage. I hope you find my solution very helpful.

Jan 20, 2011 | 2008 Ford Escape

2 Answers

Gas tank making loud whinning noise when i take the gas cap off. what could be the problem?

assuming from the noise i am assuming your opening the gas cap while the engine is running. that noise your are hearing is prob the fuel pump. your really not supposed to open the gas cap while the engine is running. pressure is needed inside the gas tank for everything to work properly. after a while of doing so you may get a emissions code for either a small or a large leak. i recommend when pumping gas to shut the engine off to eliminate any future problems that could happen.

Dec 27, 2010 | 2004 Chevrolet Suburban

6 Answers

2005 Ford Crown Victoria Trouble filling gas tank. Gas backs up in the filler nck and clicks pump off. Have to run as slow as pump will run to fill.

The tank vent pipe may be blocked or kinked, it usually branches off the main tank filler pipe and can be seen from under the car.

Oct 23, 2009 | 2005 Ford Crown Victoria

2 Answers

My 2005 will not allow me to pump gas when it is partially full. The pump kicks off and you can only allow gas to dribble in very slowly. Engine light is on as well

Could be that something is inside of the filler neck that is blocking part of the hose like when someone tries to steal your gas and breaks off the hose or leaves it in your tank. Sometimes the way the hose is routed causes it to take slowly. Engine light on means there is a code set that indicates a problem. You can go to one of the automotive stores and they will read it for free. Then come back on here and post what code it is.

Sep 11, 2009 | 2005 Jaguar S-Type

2 Answers

When I fill-up my ford contour the gas pump keeps clicking off. can only put in a little gas at a time

Check the vent tube which is alongside the gas fill tube. It's either kinked, bent, pinched, or some how blocked, not allowing easy flow of gas into the tank. Once the tube is open, you will not have trouble. You don't give the year, it's possible it needs to be replaced (comes as a unit with the fill tube) if rusting badly.

Aug 22, 2009 | 2004 Audi A4

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