× 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
1990 Chevrolet Beretta 2.2L Poor Idle Quality, Surge
Posted to GM Driveability on 6/11/2002 8 Replies

vehicle came in for routine front brakes, on test drive engine starts to surge. Back in shop it idles up and down when in closed loop. inj pulse width drops to .5 . In open loop it runs [...] is it trying to run so lean? I guess I am lost with NO codes. Anyone...

8 Replies Received (View Replies)

  Related Documents & Media  1990 Chevrolet Beretta

 
Message Closed

car Vehicle Data

1990 Chevrolet Beretta

VIN 1G1LV14G4L
Engine2.2 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Surge
Message Closed

car Vehicle Data

1990 Chevrolet Beretta

VIN 1G1LV14G4L
Engine2.2 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality, Surge