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2014 Chevrolet Impala
Includes: Bel-air
Platform: B-body & W-body

Reduced Engine Power Light is on

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Old September 21st, 2010, 7:07 PM
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Default Reduced Engine Power Light is on
How hard is it too change the accelerator position sensor in 2008 chevy impala LT reduced engine power light keeps coming on car loses power
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Old April 19th, 2011, 10:28 PM
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I 'm told that it is part of the throttle body. You should try and clean the throttle body first.
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Old April 20th, 2011, 11:33 AM
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Welcome to the forum to both of you. The "ENGINE POWER IS REDUCED" message in the DIC doesn't automatically mean the APP sensor nor TPS. The culprit can't possibly be determined without scanning for trouble code(s).
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Old August 7th, 2011, 2:55 PM
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If you scan it and no codes pop up then its most likely the bcm which is the case with my 02 trailblazer i believe.
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