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Some vehicles have pressured gas tanks so that there is a constant supply of fuel and is more efficient in delivery, other than that you shouldn't have any problems.
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No hiss is heard when opening 1994 Z28 gas cap My tank is not pressurized What could cause this Would it effect my fuel economy?
Check valves in your vent lines stuck open erg valve , bad gas cap
Diagnostic results PO440 explanation in a 2003 cavalier?
gas cap seal bad , replace gas cap !!
Could po410 code be for the gas cap?
No, it is not a bad or loose gas cap. It is a problem with the secondary air pump.
Can a crank position sensor be effected by not tightening your gas cap all the way?
No, this has no effect on the CPS. But not tightening the cap may cause the check engine light to come on. Tighten the cap and after a few driving cycles the light will go off, if that was the cause.
Will bad oxygen sensors lead to gas smell while driving your 1997 Audi a4 2.8?
No, O2 sensors are to clean up the emissions. If you have a gas smell, I would suspect fuel lines, or a gas cap.
What can a bad gas cap effect in a 2002 Isuzu Axiom?
Can show vacuum leak as a trouble code. Can show vacuum leak as a trouble code.
Can a bad gas cap lead to plug misfires?
No
1995 Ford Taurus 3.8l switching out oem gas cap to a aftermarket gas cap with lock features Does this have an effect on engine performance?
As long as you make certain to purchase the same type of cap you are replacing, it will have no effect. Either "vented" or "non vented". should be marked on the cap.
Why does your gas cap light come on on the instrument panel Yes it stays on it hasn't turned off it is always on.?
Most likely, your gas cap or the o-ring on the gas cap is bad and is not sealing properly. It could also simply be that you do not have the gas cap on tight enough.
Is the gas cap bad if it makes no hissing sound when removing it?
No, it's usually a vented cap design.
2004 Pontiac Grand Prix GT and the check gas cap light keeps coming even after you checked the cap why?
Could be a defective gas cap (bad sealing gasket?)
What would a bad gas cap do to cars performance?
he would fix it
