Thread: tbi surge
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Old 01-07-2018, 01:16 AM   #2
andyh1956
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Join Date: Mar 2010
Location: thomastown mississippi
Posts: 1,261
Re: tbi surge

Sounds like your Idle Air Control Valve Pintle is not seating properly at closed throttle. Or MAYBE you EGR is fluttering due to malfunctioning vacuum controls. Plug it off & drive the truck to eliminate that part. Also disconnect the cruze cable & drive it.
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