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Impala While undergoing many facelifts in its history, the Impala has proved itself to both civilians and police forces as one of the most capable 4-door cars GM has ever offered. Currently moving towards its 10th generation the Impala is one of the longest lasting and popular models.

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

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Old 03-31-2012, 12:01 AM
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Default Reduced Power to Engine

06 Chevy Impala has check engine light on message on dash reduced power to engine, not sure what the problem is cleaned throttle bottle, not sure what to do next.
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Old 03-31-2012, 07:50 AM
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Join Date: Mar 2011
Posts: 1,706

Welcome to the forum. The CEL is on with the "ENGINE POWER IS REDUCED" warning in the DIC. So, there should be one or more powertrain trouble codes (OBD-II, if you want to be exact) and freeze frames stored in a module. You can't go blindly about it like the old days. Consider taking it in for service.
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Old 04-01-2012, 02:56 PM
CF Senior Member
Join Date: Feb 2012
Location: nebraska
Posts: 577

you'll atleast need the codes before you have a direction to go for anything
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Old 04-02-2012, 03:19 PM
Official GM Rep
Join Date: Mar 2010
Location: Michigan
Posts: 3,674


The Engine Power Is Reduced message will display when the vehicle’s engine power is reduced. Reduced engine power can affect the vehicle’s ability to accelerate. If this message is on, but there is no reduction in performance, proceed to your destination. The performance may be reduced the next time the vehicle is driven. The vehicle may be driven at a reduced speed while this message is on,
but acceleration and speed may be reduced. Anytime this message stays on, the vehicle should be taken to your GM dealer for service as soon as possible.

If you have additional questions, please feel free to contact me.

GM Customer Service
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Old 04-02-2012, 03:19 PM

2012, car, cars, chevy, code, engine, gm, impala, light, message, power, reduced, speed, starting, warning

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