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2006 Silverado LT Reduced engine power

2006 Silverado LT 4.8 L. Reduced power message on. Truck doesnt even have 30,000 m. on it yet.and is very well maintained.What can I check..? Oil press and Temp OK.

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  • Anonymous Jan 23, 2009

    2004 2500 Silverado Truck reduced engine light comes on as well as engine light

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5 Suggested Answers

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SOURCE: what makes the reduced engine power message appear

get a can of carb cleaner and clean the throttle flap really good with a clean rag, also clean the air sensor unit with electronic clean air can. DO NOT BLOW IT WITH A COMPRESSOR AND DO NOT RUB HARD WITH ANYTHING. if this continues the flap on the throttle body might be loose. hope this helps.

Posted on Dec 01, 2010

  • 1 Answer

SOURCE: 2004 chevy silverado

The above descriptions of the connector are very good. I washed the engine compartment yesterday, and immediately started getting the reduced enginer power code on the CIC, not performance. After reading several posts, I checked the connector on my 2003 2500HD, and found that the connector was not seated well and had gotten water in it. I cleared the water and the reconnected. The cables running from the fuse box to the connector are so short, the connector is in a bind and is pulled off-center. That is why the connector wasn't seated properly. The code went away, and the performance returned. By the way, be sure to do this after pulling the negative cable on your battery.

Posted on Apr 30, 2009

  • 16 Answers

SOURCE: reduced engine power

hi there my name is don i will try to help you on this
when your reduced engine light comes on that means there is a active fault code in one of the sensors that is cusing this
you will have to get it scanned or retreive the codes from the dash

once you shut it off and turn it back on it temporarly resets until the diagnostics go through it again and it will reduce the power to the engine
it could be something simple like a gas cap or tire pressure but you will have to get it scanned to find out
thanks
don

Posted on Aug 24, 2009

  • 336 Answers

SOURCE: reduced engine power silverado 2006

You need to have the computer scanned for trouble codes. Whatever happened stopped after you restarted the engine, but the engine light wont go off until the ignition cycles many times without any problems. Any parts store will scan your truck for free. Have them scan it and clear the codes, and come back here and let us know what code/s you get.

Posted on May 16, 2010

emissionwiz
  • 63242 Answers

SOURCE: reduced flow to EGR valve

the 1st thing to do is pull the valve off and inspect the passages the gases flow through for carbon, u will find they are plugged, use a wire brush or a coat hangar to clean this carbon out.

Posted on Oct 29, 2010

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3 Answers

What makes the reduced engine power message appear on my 2006 Chevy Silverado truck?


get a can of carb cleaner and clean the throttle flap really good with a clean rag, also clean the air sensor unit with electronic clean air can. DO NOT BLOW IT WITH A COMPRESSOR AND DO NOT RUB HARD WITH ANYTHING. if this continues the flap on the throttle body might be loose. hope this helps.

Nov 22, 2010 | 2006 Chevrolet Silverado

1 Answer

Reduced engine power silverado 2006.Engine light came on.Stopped vehicule shut off engine and restarted.engine light stayed on and had lots of power.


You need to have the computer scanned for trouble codes. Whatever happened stopped after you restarted the engine, but the engine light wont go off until the ignition cycles many times without any problems. Any parts store will scan your truck for free. Have them scan it and clear the codes, and come back here and let us know what code/s you get.

May 16, 2010 | 2006 Chevrolet Silverado

2 Answers

I was driving home tonight and all of sudden I felt something slip in engine and the message engine reduced power came across. The symbol t/c came on also. My check engine light has been on for almost two...


Check the drive belt,and the alternator,most likely if the belt is still on,and it is running on the pulleys ok,then the alternator maybe out,have it checked,with out the alternator working the engine will not perform.

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1 Answer

Reduced engine power


hi there my name is don i will try to help you on this
when your reduced engine light comes on that means there is a active fault code in one of the sensors that is cusing this
you will have to get it scanned or retreive the codes from the dash

once you shut it off and turn it back on it temporarly resets until the diagnostics go through it again and it will reduce the power to the engine
it could be something simple like a gas cap or tire pressure but you will have to get it scanned to find out
thanks
don

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1 Answer

03 chevy silverado 1500 2wd


My guess is that the fuel pump is overheating when below 3/4 because it it is not covered in cold fuel

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