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1989 Pontiac Grand Prix 2.8L Misfire
Posted to GM Driveability on 8/7/2008 9 Replies

This vehicle has a new engine, with new plugs and wires. Don't know how it ran before, because engine was bad. It feels just like a secondary ignition misfire, only when TCC is engaged. Runs great any other time. I need to know if they had TCC problems, and if...

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  Related Documents & Media  1989 Pontiac Grand Prix

 
Message Closed w/Summary

car Vehicle Data

1989 Pontiac Grand Prix

VIN 1G2W514WXK
Engine2.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / port injection
Emissionsobd1
SymptomsMisfire
OccursWith TCC Engaged
Message Closed w/Summary

car Vehicle Data

1989 Pontiac Grand Prix

VIN 1G2W514WXK
Engine2.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / port injection
Emissionsobd1
SymptomsMisfire
OccursWith TCC Engaged