Riviera V6-3.8L SC VIN 1 (1995)
Note 2
The revised PROMS may adversely affect fuel economy (usually less than one mpg depending on individual driving habits). Be sure to advise the
vehicle owner of this fact.
If upon replacing the PROM the condition is still present, contact Technical Assistance for further instruction.
Note 3
For supercharged engines, review Corporate Bulletin Number 77-65-15 as another possible cause of chuggle.
Parts Information
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation
Labor Time
J6364
Use published labor
operation time.
