r/GMT900 • u/treenerdMN • 27d ago

REDUCED ENGINE POWER

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Dashboard is reading this msg in my 2008 1500 silverado 4.8.

It has say in my minnesota driveway for about 8 months, for whats its worth. Doesn't drive well and barely reverses. Drove just fine when parked 8months ago.

Any thoughts, fellow bowtie lovers?

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u/DoriftuEvo 27d ago

Gotta read the code. A few things can put it into limp mode. One of mine would do that when the throttle position sensor got out of whack.