RustyWCA Posted April 25, 2014 Report Share Posted April 25, 2014 Got a issue, Not everytime, But randomly at stop lights the idle will be low and rough and sometimes it will stall. it starts right back up though. it did this once before and I replaced the MAP sensor, Intake (AEM) and cleaned the throttle body, plugs and wires. It dident do it again, im about 6,000 miles past that point and now its doing it again, any ideas? Quote Link to comment Share on other sites More sharing options...
Blown 346 Posted April 25, 2014 Report Share Posted April 25, 2014 Any lights on or codes pulled? What plugs did you use and what were they gapped at? GM vehicles only like certain plugs and gaps. This can also be causes from a voltage issue like a battery or alternator thats going south. Or bad gas can cause this as well. Quote Link to comment Share on other sites More sharing options...
Vaquero Posted April 25, 2014 Report Share Posted April 25, 2014 I'd try cleaning the throttle body again. I had the same type of issue when I got my truck. After cleaning the throttle body out a few times I bought a catch can and haven't had a problem since. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
Fireman31 Posted April 25, 2014 Report Share Posted April 25, 2014 Do you have a tune? Quote Link to comment Share on other sites More sharing options...
desrtrat Posted April 25, 2014 Report Share Posted April 25, 2014 try running a can or two of seafoam in your fuel tank. could be dirty/clogging injector(s) Quote Link to comment Share on other sites More sharing options...
RustyWCA Posted March 16, 2015 Author Report Share Posted March 16, 2015 ended up being a weak fuel pump Quote Link to comment Share on other sites More sharing options...
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