Reduce engine power

Asked by Oct 27, 2016 at 08:14 AM about the 2003 Chevrolet Silverado 1500 Ext Cab Long Bed 2WD

Question type: Maintenance & Repair

2003 Silverado in the morning when cold
and wet. If truck is not warmed up good
we get a reduce power engine and truck
can only go about 20mph. Computer said
replace a sensor. We did but now weather
has changed and it's starting again. We
can pull over and rev the engine and then
it's fine.  Any ideas to fix the problem?

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