1994 cutlass supreme conv 3.4 eng starts and runs great for about 35 min on hwy then loses power and misses in till the car will not run let it set and cool off and it repeats it self

Asked by Jul 24, 2017 at 04:16 AM about the 1994 Oldsmobile Cutlass Supreme 2 Dr STD Convertible

Question type: Maintenance & Repair

1 Answer


Sounds similar to what my 95 Bonneville did near the end of its life. Everything pointed to the main computer. Never found out for sure though after an unfortunate incident with a pickup truck in a snow storm. Scan it for codes. There isn't the same information you get off newer cars, but there is some.

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