99 CHEVY SILVERADO 4.8L V8 IS IDLEING REALY HIGH GAUGE SHOOTS ALL THE WAY UP

JMARAUJO26

Newbie
Joined
Feb 1, 2020
Messages
19
Points
1
Make
chevy
Model
silverado 1500
Year
1999
Miles
200,000
Engine
4.8l v8
I CHANGE THE THROTTLE BODY AND IAC AND TPS AND IT STARTED TO IDLE REALLY HIGH NOW MY OLD THROTTLE BODY WAS GOOD I JUST SWITCH IT TO A PERFORMANCE ONE THATS IT ANDY BODY HAVE ANY IDEA WHAT IT CAN BE?
 

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billr

wrench
Staff member
Joined
Mar 12, 2007
Messages
6,915
Points
48
OP, is it OK if I delete this thread?
 
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