2003 monte Carlo ss

Asked by Terrise69 Feb 20, 2019 at 02:58 PM about the 2003 Chevrolet Monte Carlo SS FWD

Question type: Maintenance & Repair

I drove my 2003monte Carlo ss
about 20 miles it ran fine. I parked
ut for 3 hours then started it and it
is really loud coming from the
back of the motor.and it was
backfiring and losing power I have
duel exhaust and it looks fine.

1 Answer

21,865

Backfiring and losing power sound like a timing issue. How many miles on the engine? Could be a bad timing chain.

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