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1989 Pontiac Grand Prix SE 2.8L Valvetrain
Posted to GM Engine on 12/8/2005 17 Replies

I am a first time user,and need help in how to diagnose from this point,The engine co. has authorized me to diagnose this problem and call them.I have ran compression and i get 150 lbs across the board, i have done a leak down test and found aprox.38%,leakdown...

17 Replies Received (View Replies)

  Related Documents & Media  1989 Pontiac Grand Prix SE

 
Message Closed w/Summary

car Vehicle Data

1989 Pontiac Grand Prix SE

VIN 1G2WP14WXK
Engine2.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedValvetrain
ConditionsBackfire,Stall Rough Run,Top Engine Noise
Message Closed w/Summary

car Vehicle Data

1989 Pontiac Grand Prix SE

VIN 1G2WP14WXK
Engine2.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedValvetrain
ConditionsBackfire,Stall Rough Run,Top Engine Noise