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89' SPG rough idle
Posted by jnm (more from jnm) on Thu, 14 Feb 2002 13:12:20
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I have tried to trouble shoot my miss or rough idle problem on my 89' SPG.
To my knowlege I have no vacuum leaks.
I have new plugs cap and rotor. I checked compression and it is solid. I was getting about 150PSI across all cylinders.
I checked my spark plug firing voltage and was all even at about 10,000 VOlts.
How does the Auxilary air solinoid affect the idle; how can it be checked?
I have to get this car smog checked and it the rough idle is causing High HC levels. The Cat is also bad, but after running at 2500 for 5 mins it activates and HC goes to 0-3PPM
JNM
posted by 24.205.24...
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