Fluctuating idle, stalling
11-09-2008, 05:17 PM
#1
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Car: 1991 camaro rs convertible
Engine: Built ls1
Transmission: T56
Axle/Gears: 3:42
Fluctuating idle, stalling
Ok, so i have been having an issue with stalling and rough idle and cant seem to figure out why. I currently am running a 305 tbi with 113 heads, edelbrock performer manifold and zz4 cam and have done chip burning. I have played with the fuel pressure, checked all sensors and they were all within the correct settings. Its becoming very irritating, i cant get it inspected until i get it running properly. Any help would be appreciated, i am willing to try anything to get the car to run correctly. Would the intake possibly have anything to do with the problem, it seems that ever since i swapped to the carb intake with the tbi adapter plate my idle has been off, but it could just be a coincidence.
11-10-2008, 07:06 AM
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Car: 89 T/A and 97 Formula (sunny days)
Engine: 305 TBI / LT1
Transmission: 700R4 / 6M
Axle/Gears: 89 IDK / 97 3.73
Re: Fluctuating idle, stalling
Maybe there is a vacuum leak somewhere? A can of carb cleaner sprayed around the intake / TB while the car is running will find a leak real fast. Dont forget to check all the vacuum lines everywhere to. You might also make sure the distributer is tight and has not moved.
11-21-2008, 12:32 AM
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Car: 1991 Firebird Formula
Engine: 305 TBI
Re: Fluctuating idle, stalling
Ok, so i have been having an issue with stalling and rough idle and cant seem to figure out why. I currently am running a 305 tbi with 113 heads, edelbrock performer manifold and zz4 cam and have done chip burning. I have played with the fuel pressure, checked all sensors and they were all within the correct settings. Its becoming very irritating, i cant get it inspected until i get it running properly. Any help would be appreciated, i am willing to try anything to get the car to run correctly. Would the intake possibly have anything to do with the problem, it seems that ever since i swapped to the carb intake with the tbi adapter plate my idle has been off, but it could just be a coincidence.
Did you ever find the issue with your car I am having a similar issue with My 91 Formula 305 TBI
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