Error message
 

2003 Silverado 5.3L 82000 miles
Engine goes to idle when starting from a stopped position and error message (Reduced Engine Power) comes on. My owners manual says it is over heating but it is not. I have taken it to my mechanic and he changed both before oxygen sensors and cleaned the fuel injection. Still happens but not as frequent. Any help?

Thanx,

RE: Error message
 

Your mechanic has a lot to be desired.
did he check codes?..it has a problem with the throttle sensor and/or accelerator.

sounds like he's a parts-thrower

RE: Error message
 

What is the temp reading? Maybe an issue with the sensor or sending unit.

RE: Error message
 

Ooooo.... Doesn't that just make everyone wanna run to the nearest Chevy dealership? "Yeah it's gotta problem but I don't want you to fix it I just want you to replace some random part to make a quick buck and then tell me it's good to go!"

RE: Error message
 

He didn't say it was a dealer....careful..lol

Any news on this one?

RE: Error message
 

Ok, some more information. I have'nt been able to get the truck back to the mechanicbut I have noticed that it happens only when it is very hot outside 90 and up and if I start in 3rd and then move it to D it never happens. ???

John

RE: Error message
 

The reduced power message is accompanied by a code/codes in the Ecm...did he check for codes?..most likely,its a throttle sensor issue...or related