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Old 04-23-2012, 10:54 AM   #7
jeffro788
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Join Date: May 2009
Location: Little Rock, AR
Posts: 71
Re: Stumble at idle when you first start up (2000 Chevy)

I do know the peron the person that tuned it, however he worked on it for a little bit and told us to bring it back after vacation, so we took it to some mechanics that we trust and have worked on everything we own that we couldn't do ourselves, they checked all sensors and any codes and they claim it is in the tune, but they are unable to do any tuning. Well, the tuner got off vacation and heard that someone thought it was in his tune and he got his panties in a wad and told us to take it b/c there is nothing he can do for it and it definitely wasn't in the tune according to him. We have found out more and more that some of these guys that tune these motors have pretty major egos and paranoia issues. He claims that my computer is unlocked and I really don't think that it is. If we do anything else we will probably have to buy a new ECM and start over.
Sorry to go on about this...... been a rough time dealing with it.
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1972 Chevy SWB - ZZ4 crate motor, 700r4, makes lots of noise! - SOLD
1987 Chevy SWB - SOLD
2000 Chevy SWB - 6.0L heads, Lunati cam, Whipple supercharger, 3.73 posi, caltrac traction bars, headers, custom tune and Borla race muffler. 500 H.P.
1970 Oldsmobile Cutlass 442 w-30 - original
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