2003 SILVERADO 4.8 140000mil no power engine light go on in off on in off on in off on on on

Need codes, because the engine and transmission will both cause "reduced power".

2003 Silverado 2500HD REDUCED ENGINE POWER - Discussion on Topix

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Dec 28, 2009 - 20 posts - ‎12 authors I have replaced the throttle body, had the wires re-connected and .... The gauges all went wild and reduced engine power displayed on the dash. I looked it .... The truck just went to idle for no reason and it keeps happening. 2003 Chevy Trailblazer-CHECK ENGINE LIGHT AND ...
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Reduced Engine Power Message Displayed on GM Vehicles

www.underhoodservice.com/tech-tip-reduced-engine-power-message-dis...
Dec 10, 2012 - Tech Tip: Reduced Engine Power Message Displayed on GM Vehicles ... Model year 2008-'10 vehicles must have the engine control module (ECM) reprogrammed ... Do not drop the electronic throttle control components.

Ok try getting it to a repair man

Faulty throttle body assembly.

The selector sensor sends a signal to the engine computer which sends power to the indicator.

i would check for corrosion in the eng control module and connectors.i have seen this on other vehicles before.

check the wires going to the throttle body i have seen them brake that throws a low engine power code

any luck on this yet i have the same problem

you got engine knock check the knock sensor

2003 chevy silverado
A picture of a engine is on the dashbroad, what can I do to get it off.
Rita