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Re: 1991 chevy 1500 5.7 tbi erratic idle
couldn't read thru all these posts but the cam guy was on the right page. sounds like the computer can't keep up with the readings for fuel management, pardon me if you covered this but after timimg check and fuel pressure constant( once it was the fuel filter) i normally go from tps to the ecm inside the distributor . back to the cam dude. if you made performance upgrades like a cam,heads,etc. it might need a new chip-mines from fastchip.com but there are better/more expensive chips out there. anyways, if i was a help-great, if not and somebody already covered this -sorry.
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1992 K2500 w/ reworked 355 - for fun
2003 2500HD utility - for work
2005 Denali tahoe- for the bride
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