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1995 Chevrolet S10 4.3L Excessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, rich fuel mixture
Posted to GM Driveability on 11/6/2000

vehicle seems to run exessively rich fuel mixture,with

black sooty spark plugs and exhaust. scanner indicates no codes present. Questioning whether or not pcm was working i pulled the connection off to the map sensor and the proper code showed up for that. ph...

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Message Closed w/Summary

car Vehicle Data

1995 Chevrolet S10

VIN 1GNDT13W35
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / port injected
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, Rich Fuel Mixture
OccursAlways
Misc.4X4 S10 Blazer
Message Closed w/Summary

car Vehicle Data

1995 Chevrolet S10

VIN 1GNDT13W35
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / port injected
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Surge, Poor Fuel Economy, Rich Fuel Mixture
OccursAlways
Misc.4X4 S10 Blazer