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1990 Chevrolet Corvette 5.7L Poor Idle Quality, Surge, Stall, Misfire
Posted to GM Driveability on 7/24/2002 6 Replies

This car came in with running rough cold. Stalling and surging when hot. Pulled codes and found code 45 rich condition. Judging by the gas analizer and the o2 sensor voltage couldnt see a rich problem. Checked for vacuum leaks. None found. Checked cap, rotor, ...

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Message Closed w/FIX

car Vehicle Data

1990 Chevrolet Corvette

VIN 1214PK68GN
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TPI
EmissionsOBD1
SymptomsPoor Idle Quality, Surge, Stall, Misfire
OccursHot

Trouble Codes

45Rich exhaust
Message Closed w/FIX

car Vehicle Data

1990 Chevrolet Corvette

VIN 1214PK68GN
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / TPI
EmissionsOBD1
SymptomsPoor Idle Quality, Surge, Stall, Misfire
OccursHot

Trouble Codes

45Rich exhaust