× 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 GT 3.8L MIL Lamp on
Posted to GM Driveability on 6/29/2006 5 Replies

Hi Guys! I have had this vehicle into my shop occasionally and have seen a stored DTC PO128 for cooling system temp below threshold value. Since the complaint seemed to be intermittant I replaced the thermostat and gasket first trip in. Next trip (still interm...

5 Replies Received (View Replies)

  Related Documents & Media  2000 Pontiac Grand Prix GT

 
Message Closed w/Summary

car Vehicle Data

2000 Pontiac Grand Prix GT

VIN 1G2WP52K5Y
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0128Cooling System Malfunction
Message Closed w/Summary

car Vehicle Data

2000 Pontiac Grand Prix GT

VIN 1G2WP52K5Y
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P0128Cooling System Malfunction