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The most common cause of rough idling would be a bad or clogged fuel injector. Also look for the hose on your EGR valve. They tend to come off in hot weather. If the hose comes off the engine will definitely run rough. I had to put a small hose clamp on mine to keep it from comming off.
Spiritchsr1
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∙ 12y ago
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What would cause your 1990 300zx idle rough?
my 1990 300zx is idling rough what could cause this?
What would cause a 1993 Nissan 300zx rough idling.?
There are several things that can cause your 1993 Nissan 300 to idle rough. The most common cause is dirty spark plugs. Bad spark plug wires can also cause the problem.
Would a bad spark plug make your grand am lose power?
Yes it could and it will cause rough idling and a missing when giving it gas.
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I had a similar problem and it was my coil pack
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timing off
What would cause a bad vibration when idling on ford escort zx2 2001?
Here is a link to a service bulletin that might help. http://www.fcsdchemicalsandlubricants.com/fad/tsb/031515.pdf Randy
Why would engine that was idling then suddenly die?
water in the fuel can cause an idling motor to sputter and/or die.
What would make your car start right up but have rough idling and shut off?
a longer cam shaft will make a car idle rough
Why is my 1998 Chevy Cheyenne idling really rough?
I would suggest a new set of plug wires.
How do you untangle the motor that powers it up and down?
if it's idling rough, I would suggest cleaning the throttle body with carburetor cleaner.
What would cause an 87 Buick Century to shutoff when idling?
old fuel filter
