Question about Chevrolet C1500
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Posted on Jan 02, 2017
Possible deposit buildup in the throttle body and specifically the IAC (idle air control chambers).This causes disturbance and your systems ability to control air/fuel mixtures at near idle conditions .Perform service, recomending removal of the IAC valve and cleaning with an O2 safe injection cleaner.3M makes a very good line of products including 3M"do it yourself" fuel system tune up pn#8963.Also verify proper EGR operation and no sticky valve or build up there.....good luck
Posted on Jul 23, 2009
i have an 89 2500 and the fuse box is behind a panel right under the parking brake realease its kinda hidden but has a little handle in it, it might seem like your going to break it when you pull it off but you wont
thats where the fuse box is
Posted on Sep 01, 2009
Your intake manifold has a leak. Check all the hose connections to see if you have a hose off.
Disconnect the EGR hose and temporarily plug. If it helps it is the EGR.
Take a spray bottle of water and spray around the intake manifold while the engine is running. When you find the leak it will draw in the water and stall the engine or at least affect idle.
Another part is the TPS, throttle position sensor which is on the drivers side and about the size of a cigarette lighter. It has 2 screws and 1 electric plug.
Have Autozone scan your truck for free.
Posted on Sep 18, 2009
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