My car idles rough. Its like its getting too much fuel or not enough but i smell gas when it idles. It runs fine when up to speed. What could this be?
Test the diagram attached and fix it . God bless you
SOURCE: rough idle
fuel filters rarley cause idle problems. i would look at the egr valve or possible vaccume leaks.
SOURCE: I have a buick skylark 1991 fi it will start and
you have a shorted fuel injector that is taking out the quad driver in the computer that is why i said did you ohm the injectors it should be 4.1 to 4.3 ohms per side anything less will shut off the quad driver in the computer. each individual injector should be 12 ohms
SOURCE: Car hesitates when excelerating from
Check timing chain. Sounds like it may have jumped a cog.
SOURCE: ENGINE IDLES ROUGH, BUT RUNS FINE WHILE DRIVING
Check all vacuum lines for leaks. Check spark plug wires for and spark plugs that may be worn and causing idle misfire.
SOURCE: car idles rough in park also runs rough in overdrive
Sometimes a rough idle like that is a fuel filter. As you've already done the plugs and wires the fuel filter would be my next bet.
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