1992 Saturn SC2, 123k miles. The car was bought a few months ago, and has run fine for short trips, and an occasional joy ride. About 2 weeks ago, I though I got some slug gas, and have been putting HEET, that seemed to work. The car runs great, then has trouble staying lit, and seems to lose revs to either dying, or coming damn close. Only occurs after has already had "a good run", and been turned off for a bit. Only happens whith initial push on gas pedal, and when down shifting..automatic

10

Asked by Sep 07, 2016 at 05:15 PM about the 1992 Saturn S-Series 2 Dr SC Coupe

Question type: Maintenance & Repair

The car was bought a few months ago, and has run fine for short trips, and
an occasional joy ride.  About 2 weeks ago, I though I got some slug gas,
and have been putting HEET, that seemed to work.  The car runs great,
then has trouble staying lit, and seems to lose revs to either dying, or
coming damn close.  Only occurs after has already had "a good run", and
been turned off for a bit.  Only happens with initial push on gas pedal, and
when down shifting..automatic transmission....Before I attempt to change
the TPS, I would like to know if this is something anyone else has
experienced

1 Answer

1,385

Tune up replace the spark plugs? Maybe throttle position sensor?

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