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Q: Will a missing gas cap affect the way a engine runs?
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Why is the check fuel cap light on on a 2008 Malibu?

Engine that was operated with a loose , missing or bad fuel cap.


Can a missing gas cap cause your check engine light come on?

Yes, this is often the reason why the check engine light comes on.


Ford explorer fuel cap missing will this cause check engine light to come on using cheap push fit cap as a temporary at present?

96+ vehicles missing the fuel cap will activate the check engine light and set an evap system gross leak code. If your temporary cap seals properly and is correct for the application there should not be a problem.


What could the problem be on a 2004 cavalier with the codes for a large leak with the emissions?

if engine runs fine but computer has [large] emissions leak , check too see if gas cap is on all the way or missing,


Will lost gas cap prevent car from starting?

No. However, some cars will display a "check engine" light on the instrument panel if the gas cap is loose or missing.


Would a faulty gas cap cause missing a t start and idle and check engine light flashes?

no srry


2000 Toyota Rav4 with 61000 miles and my check engine light came on I checked the gas cap and it's on tight any suggestions on what to do?

The check engine light indicates a problem with you engine that may or may not affect the way it runs, the only way to tell is to have the codes read at the dealer or a parts store that will do it for free and use the information gained to affect a repair.


Can not having a fuel cap effect how your jeep runs?

Depending on what year Jeep you have, it may cause the check engine light to come on. It won't effect how the engine runs but it will effect the emissions.


What could the problem be if your check engine light came on and engine runs rough?

It could be that you have not tightened the cap on your gas tank. Be sure to check the gas cap and see if its being properly tightened. That was the case for me a couple of times.


How do you adjust the distributor to set timing on 92 maxima?

get under hood and rev your motor manually.......till you hit around 2000 rpms than while keeping motor reved adjust the cap....now if you are too advanced on your cap youll hear a popping missing noise.....back off the cap counter clockwise till the engine runs smooth....if you retard the cap too much the engine will run with a hesitation....that's the closest youll get other wise youll nweed to hook it up to the computer at the Nissan dealer and theyll chargre the hell out of you ***See what engine code you have. If it is a Maxima SE (DOHC)(VE30DE engine code) you will have a timing chain instead of belt and probably no distributor. The GXE (SOHC) has the VG30 engine which has the belt...


Your 2000 Chevy cavalier's check engine light keeps coming on code says it's emissions gas cap but light keeps coming on what can it be?

make sure gas cap is on all the way or missing cap ,this car must have a gas cap or computer will read [large] emissions leak or emission gas cap, hope this works!


What is the most probable cause of a 97 GMC 4.3 engine Missing in wet or damp weather?

Cracked distributor cap or bad spark plug wires/connections.