Random Idle Surge
01-24-2016, 05:23 PM
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Random Idle Surge Since I swapped my ls1 into my third gen camaro I have had idle issues. The engine ran great prior but now the idle surges and often goes away after a restart or two. When it is surging and I press the gas pedal, the RPMs will stay there. The throttle blade isn't sticking and I have replaced the IAC valve twice, the TPS sensor and tried another throttle body. Details on the ls1 are that it has headers with only the front o2 sensors and the rest is stock. I'm at a loss since I can mess with the IAC or restart and usually get it to run fine. I haven't found a vacuum leak and don't think it is one. Any other ideas?
