Rough Idle. Bogs like a 454 Chevy with a .530 cam
01-22-02, 02:52 AM
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Rough Idle. Bogs like a 454 Chevy with a .530 cam
When first starting the car, not giving it any gas. It runs like it has a huge cam in a big block chevy engine. Any way around this crap Engine shakes cause I guess teh motor mounts. But the idle is rough.
01-22-02, 07:12 AM
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Last week my 91 idled sweetly, but the 6th port was stuck. I worked on it all day Saturday and now it idles like yours. Here is my list:
1. Run a bottle of injector cleaner with the gas.
2. Check & recheck for any small air leaks.
3. Check the TPS settings. (The lower plunger was stuck on mine.)
4. Adjust the bypass bleed screw on top of the TB until the ECU & BAC are happy.
I am still looking for more air leaks, but the idle is now pretty good at 1000rpm with the engine warm.
1. Run a bottle of injector cleaner with the gas.
2. Check & recheck for any small air leaks.
3. Check the TPS settings. (The lower plunger was stuck on mine.)
4. Adjust the bypass bleed screw on top of the TB until the ECU & BAC are happy.
I am still looking for more air leaks, but the idle is now pretty good at 1000rpm with the engine warm.
Last edited by SureShot; 01-22-02 at 07:14 AM.
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