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I have a 2002 Chevy suburban and the reduced engine light came on what does that mean

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  • Craig Fisher Nov 11, 2014

    9 out of 10 times it's a ground wire to the frame. If you don't beleive me, google it and watch several youtube videos

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  • 79 Answers

Its telling you your vehicle has been placed in limp mode to prevent damage. You need to have your computer checked for codes that should lead to the issue causing the limp mode or reduced power mode

Posted on Nov 11, 2014

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6ya6ya
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Posted on Jan 02, 2017

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ryanlutton
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SOURCE: The reduce engine power light

A lot of times it's a filthy or sticking throttle body. With this situation, the computer will throw the reduced engine power light as kind of a safe mode. A lot of times, you won't be able to go past a certain speed too. With the battery disconnected, clean your throttle body with throttle body cleaner. Must be shiny. When finished, drive around for 20 minutes or so, so your computer can re-learn the correct settings of a newly cleaned throttlebody. When driving for 20 min, make sure all accessories are off.

Posted on Jan 27, 2011

Tech jk
  • 102 Answers

SOURCE: 2002 chevy impla v6 esngine

Code p0102, on either the 3.4 or 3.8 (3800) v6 engine is a problem in the Mass Air Flow sensor (MAF). If any work has been done to it just prior to this code, then you need to make sure the air cleaner, duct work, breather tubes, etc. are properly connected and not loose. If that is OK, then may have a bad, or dirty sensor.
Tech JK

Posted on Jan 16, 2009

  • 497 Answers

SOURCE: 2002 Chevy Suburban: Fuel gauge reads empty, tank is half full

Youre gauge is controlled by a plunger in the fuel tank which is attached to the sensor and the fuel gauge. it sounds like when the plunger goes down half way its either getting stuck down lower then it should. Needs replacing. Any mechanic can do this install for you.

Posted on Aug 27, 2009

  • 1810 Answers

SOURCE: i am getting a reduced engine power message and

check your oil is it time for a change or just a refill

Posted on Jan 05, 2010

  • 396 Answers

SOURCE: reduce engine power 2007 chevy uplander

Sopunds like the computer has gone into a limp mode. You need to take it in for a professional diagnosis.

Posted on Jan 16, 2010

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1 Answer

Emission light came on and so did reduce power light. It happens when I quickly excellerate from 10 mph but will reset if turned off


2003 Chevy Trailblazer-CHECK ENGINE LIGHT AND REDUCED ENGINE POWER ...

www.topix.com > California > San Diego County > Oceanside
Dec 23, 2011 - 2003 Chevy Trailblazer-CHECK ENGINE LIGHT AND REDUCEDENGINE POWER ... The reduced engine power ligth comes on and I lose power. ...Next, the fan clutch failed -- which is when he did an "above and beyond" .... yesterday I have not replaced anything bc they have told me nothing is wrong.

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Fault code P0456 means evaporator emission control small leak detected.
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1 Answer

The reduce engine power light has came on I have a 2002 Chevy Trailblazer, what does this mean?


A lot of times it's a filthy or sticking throttle body. With this situation, the computer will throw the reduced engine power light as kind of a safe mode. A lot of times, you won't be able to go past a certain speed too. With the battery disconnected, clean your throttle body with throttle body cleaner. Must be shiny. When finished, drive around for 20 minutes or so, so your computer can re-learn the correct settings of a newly cleaned throttlebody. When driving for 20 min, make sure all accessories are off.

Jan 27, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

The 'check engine' light and the 'reduce power engine' light came on on my 2002 chevy trailblazer what could this mean?


A sensor failed. A code will be stored. You need to get the code in order to proceed. With over 200 possible codes its anyones guess what happened.

May 18, 2010 | 2002 Chevrolet TrailBlazer

1 Answer

Code on 2002 chevy suburban C0298


This code means that the powertrain sensed a traction control malfunction. Most likely a speed sensor in one of the wheels sent a wrong signal and set your light on.

Dec 12, 2009 | 2002 Chevrolet Suburban

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