× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1998 Chevrolet Corvette 5.7L Poor Idle Quality, Surge
Posted to GM Driveability on 1/8/2002 3 Replies

eNGINE SURGES BAD WHEN FIRST STARTED COLD. gETS A LITTLE BETTER IN CLOSED LOOP . SURGES AFTER ACCELLERATING AFTER IT RETURNS TO IDLE . fUEL PRESSURE 60 PSI . BANK 1 SENSOR 1 AND BANK 2 SENSOR 2 ARE THE SAME AT IDLE .056 LEAN AND WHEN SURGING STARTS VOLTAGE FLU...

3 Replies Received (View Replies)

  Related Documents & Media  1998 Chevrolet Corvette

 
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet Corvette

VIN 1G1YY22G5W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge
OccursCold, on Decel, Idle

Trouble Codes

171lean bank
172lean bank2
Message Closed w/FIX

car Vehicle Data

1998 Chevrolet Corvette

VIN 1G1YY22G5W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge
OccursCold, on Decel, Idle

Trouble Codes

171lean bank
172lean bank2