Question about 1997 BMW 328

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1998 bmw 328is left gas cap loose and engine light comes on. Fill tank and light still on.

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Try unpluging the battery to reset the code

Posted on May 05, 2010


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The gas cap dets wet and the light comes on

I just had a similar problem with a mustang.. The baffel in the gas tank had broken loose.. So the gas would slosh around the tank.. I could hear the baffle in the tank moving when i would go around corners.. WHEN I WOULD MAKE A RIGHT TURN THE ENGINE WOULD DIE.. ONE OF THE THINGS THE BAFFEL DOES IS KEEP THE FUEL PUMP SURRONDED WITH FUEL WHEN CORERNING..

May 30, 2014 | 1998 Ford Mustang

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What describes a bad gas cap

Gas caps don't go bad often but if they don't hold pressure for some reason (many folks leave them loose or loose them) some errors can occur with the powertrain emissions system. If the cap and seal looks generally good and you've gotten a check engine light indicating vapor return/tank out of range or something to that effect, you can fill it up and wait (up to a tank or two) for it to "recalibrate". Or you may want to have the code/codes erased and reset anyway so they're gone from memory.

Apr 01, 2014 | 1998 Pontiac Grand Am

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Check engine light comes on after fueling 5 series BMW

Hi and welcome to FixYa!

As a first course of action, I strongly suggest that you tighten the gas cap. It may be a little loose that's why the engine light is on.

Hope this helps and thank you for using FixYa! Have a good one!

Mar 06, 2011 | 2006 BMW 3 Series

1 Answer

I have a 2000 dodge dakota quad cab (4.7L / V*). My check engine light kept coming on after tightening the loose gas cap. I purchases a new gas cap specifically for my truck and the light came on again...

Check that there are no other leaks in the gas filler neck or gas tank itself that would cause the gas cap error to cause the check engine light to go on.

A lack of pressure in the tank can cause the check engine light to go on, erroneously signalling that the gas cap is loose or missing.

Good luck on this repair.

Oct 18, 2010 | 2000 Dodge Dakota Quad Cab

1 Answer

2009 BMW 328i engine light - air in gas tank...

the gas tank pump is malfuctioning or the check valve on the evpaerative canister purge valve is malfunctioning.

Aug 18, 2009 | 2003 BMW 325

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Check engine keeps coming on, i dont see anything wrong with engine, but i have a locked gas cap and the last time i put gas in and sealed it back up the next morning the check engine light was gone

The fuel tank and lines is a pressurized system that is monitored by the computer and will set a emission code if there is a leak or you fill your tank with the vehicle running. 

Jul 18, 2009 | 2003 Chevrolet Cavalier

1 Answer

1998 Pontiac Grand Prix check engine light comes on and goes off randomly. What could be the problem

check the gas cap. there is a sensor somewhere in the gas tank that knows when the gas cap is loose or has a defective seal.

Jun 26, 2009 | 1998 Pontiac Grand Prix

1 Answer

Check Engine light on 1998 BMW Z3 roadster

yes the light is because of the gas cap being gone (sets code in evaporative emissions system), replace the gas cap, disconnect the battery for five minutes and that will turn of/reset the light, make sure u have the radio code before u do this, if u don't u will have no radio after the battery is disconnected..

May 08, 2009 | 1998 BMW Z3 Roadster

1 Answer

Vacuum pressure in Gas Tank

well the tab will not cause the light to come on if the gas cap is loose or bad it possibly would make the light comeon because the emissions system would detect a leak. The only way to fix it would be to go to the junk yard or dealer and get a new fuel fill neck

Jan 11, 2009 | 1998 Oldsmobile Eighty Eight

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Check Engine Light Comes on Intermittently

The P0141 code points to the O2 sensor heater circuit. It could be that there is a short in the wiring to the O2 sensor or it could be that the O2 sensor heating element itself is bad. The code is for O2 sensor Bank 1 Sensor 2. Bank 1 means its the O2 sensor connected to the exhaust pipe that runs to cylinder #1. Sensor 2 means that it is likely the O2 sensor after the catalytic converter on the same exhaust pipe.

Dec 31, 2008 | 2004 Honda Accord

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