LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Stalling randomly/stumble idle.

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Old 09-13-2008, 04:06 PM
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Join Date: Nov 2007
Location: Windsor, ON Canada
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Stalling randomly/stumble idle.

So I was leaving yesterday to do a poker run in my car and the coil fried. The car missfired the night before, and has seemed to have a stumble idle...When driving then letting off and braking the car would drop to like 500-600rpm and then fluctuate between 5-900rpm. So I made my 2 hour drive to the track and got there no issues. I pulled in and started driving like 10kmph and let off and the car stalled.

It started right up and i just road the3 brakes to my camp site to keep the rpm's up. I parked the car and then this morning I went to tech in and the car did the same thing and stalled.

It almost stalled on me once more after I got back home.

I replaced the coil with an old stocker too.

Is there any way to test the coil,idle air etc?..Scanned the car with no codes other then neutral safty error. Also the TPS is fine and the Ignition modual seems to be okay since we swapped in another old one and the car wouldnt idle.

Jay
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