reduced engine power

Asked by Guru93RFDV Apr 05, 2023 at 04:40 PM about the 2005 Pontiac Grand Prix Base

Question type: Maintenance & Repair

i have a 2005 grand prix, reduced engine light comes on, car has no power,
we changed the gas pedal relay, cleaned the throttle body, exaust is new,
trans was rebult 2 years ago, i checked all ground, fluid levels, thinking of
changing the throttle body sensor? ready to quit, car has 160,000 miles on it,
perfect body, ran great for years, until now.

2 Answers
40,075

beatupchevy answered about a year ago

scan for codes even if the light ain't on , what do the plugs look like ? Is the exhaust white ?

1 people found this helpful.
Mark helpful
310,545

Gene answered about a year ago

Exhaust restriction, low fuel pressure and or flow, sensor misread, I would get a live data scan.

Mark helpful

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