× 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
2000 Pontiac Grand Prix SE 3.1L Trans Shift
Posted to GM Driveability on 4/30/2004 5 Replies

Hello, This car is downshifting at inappropriate times. Suspected VSS . Installed new one. No change. Took car for a test drive with scanner. Vehicle speed (on scanner) at times would not be constant. At times it would vary 20mph within less than a second. See...

5 Replies Received (View Replies)

  Related Documents & Media  2000 Pontiac Grand Prix SE

 
Message Closed w/Summary

car Vehicle Data

2000 Pontiac Grand Prix SE

VIN 1G2WK52J6Y
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsTrans Shift
Message Closed w/Summary

car Vehicle Data

2000 Pontiac Grand Prix SE

VIN 1G2WK52J6Y
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsTrans Shift