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1995 Buick Riviera 3.8L Poor Idle Quality
Posted to GM Driveability on 2/13/2009 24 Replies

Customer brought in pieces of his intake plenum, he said it was running rough, then back fired and blew the plenum up. I know about the problems with these but never heard of one blowing up. I replaced plenum car runs great, no codes, please any ideas on how t...

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Message Closed w/Summary

car Vehicle Data

1995 Buick Riviera

VIN 1G4GD22K65
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursNot Applicable
Message Closed w/Summary

car Vehicle Data

1995 Buick Riviera

VIN 1G4GD22K65
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursNot Applicable