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1991 GMC Sonoma 4.3L Poor Idle Quality
Posted to GM Driveability on 3/10/2000

Hi this truck won't start or idle at times unless foot on thottle. It seems as the idle control seats when engine is shut off and pulls out 145 counts(by scanner)for next restart. When the engine has ran 10-15 min or longer and is shut off the IAC seats & ...

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Message Closed w/FIX

car Vehicle Data

1991 GMC Sonoma

VIN 1GTCT19Z7M
Engine4.3 L / 6 cyl
SymptomsPoor Idle Quality
Misc.Tbi
Message Closed w/FIX

car Vehicle Data

1991 GMC Sonoma

VIN 1GTCT19Z7M
Engine4.3 L / 6 cyl
SymptomsPoor Idle Quality
Misc.Tbi