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1994 Chevrolet S10 4.3L Excessive Emissions, Poor Idle Quality, Surge, MIL Lamp on, Runs Real Lean
Posted to GM Driveability on 3/31/2007 22 Replies

First of all thanks in advance for any and all help. This vehicle has me stumped because it will be running fine and then all of sudden start to loose some power. The idle will start to idle rough and then start to surge badly from 300 to 1200 rpm. I noticed t...

22 Replies Received (View Replies)

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car Vehicle Data

1994 Chevrolet S10

VIN 1GCCS14Z5R
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsFederal Emissions
SymptomsExcessive Emissions, Poor Idle Quality, Surge, MIL Lamp on, Runs Real Lean
OccursHot, Under Load, Idle, Intermittently
Message Closed w/FIX

car Vehicle Data

1994 Chevrolet S10

VIN 1GCCS14Z5R
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / TBI
EmissionsFederal Emissions
SymptomsExcessive Emissions, Poor Idle Quality, Surge, MIL Lamp on, Runs Real Lean
OccursHot, Under Load, Idle, Intermittently