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yes if the gas cap wasn't on properly then the change in pressure would set off a sensor.
put the cap on right or replace it and if the check engine goes away after a few days that was your problem
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Would a faulty gas cap cause rough idle check engine light on and ticking on acceleration?
A faulty gas cap could cause the check engine light to come on but it would not cause a rough idle or engine noises. Start with having your local auto parts store read the codes. The codes will help determine why the check engine light is on.
Would a faulty gas cap cause missing a t start and idle and check engine light flashes?
no srry
Can a faulty fuel sending unit cause check engine to come on?
Not that I know of.
Can a faulty fuel pressure regulator cause a check engine light to come on?
Yes.
Could faulty spark plugs cause engine light to stay on?
Yes. Your Check Engine light or Service Engine Soon light.
Will faulty O2 sensor cause check engine light to come on on 2002 ford expedition?
Yes, a faulty O2 sensor will cause the check engine light to come on. Many auto parts stores will plug in an ODBII code reader to your Expedition to get the "trouble code" that tells you which sensor (there are 4) is faulty, free of charge.
Does a faulty installation of a new clutch result in a check engine light notice?
There are numerous things that can cause a check engine light. With out knowing the code it is impossible to say.
Can using different fuel or a faulty gas cap make the check engine light come on in a 1997 Ford Ranger?
Using contaminated fuel can cause an engine misfire which will turn on the check engine light. A faulty gas cap can for sure turn on the light.
Can a faulty glow plug cause the check engine lite to come on in a 2005 vw passat TDi?
yes it can
Would a faulty thermostat cause the engine to shut down then hours later the vehicle will restart?
doubt that a t-stat would cause a car to shut down and restart when cold check for an ignition module proublem
My oil gauge keeps falling to zero while I'm driving what would cause this?
Check the level of the oil in your engine. If it's ok, then you must have a faulty gauge.
What would cause a 01 Chevy Impala with a V6 for the motor to catch fire when you try to start it?
A fuel leak and a source of ignition such as faulty spark plug wires.
