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Go Back   CamaroZ28.Com Message Board > 1967-2002 Powertrain Discussion > LS1 Based Engine Tech
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Old 06-27-2013, 01:15 AM   #1
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Join Date: Jul 2012
Posts: 6
Modified LS1 Has Idle Problem

I have a 1998 Z/28 Camaro with the following modifications: GM Hot Cam, Edelbrock heads, FAST 92mm intake manifold and throttle body, SLP headers, catalytic converter and oil pump.

At times, the car runs flawless. Then, at other times, it won't idle and dies when I come to a stop. It's unpredictable. I recently replaced the IAC, and I'm still having the same problem. I've taken it back to the tuner three times, and still no luck. Could the TPS be causing my idle problem?

I'd appreciate any advice that anyone has, thanks.
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ls1camz28 is offline   Reply With Quote
Old 06-27-2013, 11:13 AM   #2
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Join Date: Dec 2003
Location: ST PAUL,MN
Posts: 122
Re: Modified LS1 Has Idle Problem

just a shot in the dark, after work was done on my car it was running ruff & throwing a code which turned out to be a broken wire. on the back of the intake is a sensor & a tiny wire that runs to the computer broke, cost me $100 to fix / diagnose. goodluck!
99 Z28 vert "florida" orange , acquired 9-03 A4, slp lid & cai, safety loop, bmr sfc, lca's & panh, edelbrock rpm catback w/chrome stock tips. ls6 heads & cam & intake, 80mm tb, jet hot LT's, drm tune. gforce comp 2's. newly added slp 85mm maf, ud pulley, alum ds.
DANOZ28 is offline   Reply With Quote
Old 06-27-2013, 11:13 AM
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