rough idle
03-30-2007, 07:03 PM
#1
2nd Gear Member
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Join Date: Dec 2005
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Posts: 187
rough idle
Ok so heres the deal, the car has a rough idle, It surges between 800 and 900 rpm, but there is no hesitation or stumbling when I accelerate, occasionally it misses but usually when I just started driving it. I pulled all the plugs and they look great, the plugs, wires, cap, rotor, and coil have less than 1000 miles on them. I advanced the timing to about 14 degrees and it helped a little but still has a rough idle. I hear no vacuum leaks but I would have to go through the whole system to know for sure. what are some possible causes of this?
03-30-2007, 10:24 PM
#2
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Join Date: Nov 2006
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Posts: 173
RE: rough idle
Sounds like an IAC problem.
I had the same thing happen when I brought my car out from storage but after I drove it for a few days It stopped stalling at idle.
You could need a new IAC.
Anyhow check this out.
http://www.muscularmustangs.com/iac.php
I had the same thing happen when I brought my car out from storage but after I drove it for a few days It stopped stalling at idle.
You could need a new IAC.
Anyhow check this out.
http://www.muscularmustangs.com/iac.php
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