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1993 Chevrolet S10 2.8L Excessive Emissions
Posted to GM Driveability on 11/22/2001 6 Replies

Vehicle came in for routine smog check and failed at idle with 6.0% c.o.. Tested 02 sensor and switches at cruise and at idle stays high when e.c.m. goes into open loop , map sensor reading 1.5 volts with 18 inches of vacuum, key on engine off baro reading is ...

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car Vehicle Data

1993 Chevrolet S10

VIN 1GCCS14R0P
Engine2.8 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / tbi
Emissionsobd1
SymptomsExcessive Emissions
OccursIdle
Message Closed

car Vehicle Data

1993 Chevrolet S10

VIN 1GCCS14R0P
Engine2.8 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / tbi
Emissionsobd1
SymptomsExcessive Emissions
OccursIdle