× 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
1993 Chevrolet Cavalier Z24 3.1L Poor Idle Quality, Surge
Posted to GM Driveability on 1/21/2011 15 Replies

Hi there this is my first help request and it is an old cavalier with a 3.1L. It has a surging idle when in drive at idle at a stop sign. I have reviewed the data in the following PIDS at idle:

BARO 4.76V MAP 1.5V IAC 17-30 counts Fuel Trim 100 TPS .56V

Now ...

15 Replies Received (View Replies)

  Related Documents & Media  1993 Chevrolet Cavalier Z24

 
Message Closed

car Vehicle Data

1993 Chevrolet Cavalier Z24

VIN 3G1JF11T6N
Engine3.1 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection / MPI
EmissionsOBD1
SymptomsPoor Idle Quality, Surge
OccursIdle

Trouble Codes

35IAC problem
Message Closed

car Vehicle Data

1993 Chevrolet Cavalier Z24

VIN 3G1JF11T6N
Engine3.1 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection / MPI
EmissionsOBD1
SymptomsPoor Idle Quality, Surge
OccursIdle

Trouble Codes

35IAC problem