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help, got mail order tune, something is horribly horribly wrong above 2000rpms

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Old 08-04-2005, 08:57 PM
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Default help, got mail order tune, something is horribly horribly wrong above 2000rpms

idle and light light accleeration seems fine.. i hit 2000rpms and it hangs and sputters a tad and seems to missing like hell...

i checked to make sure everything was plugged up...

it basically begins running like im missing 2-3 spark plugs lol...

only other thing i did was install 4.10's.. which seem to be doing fine.
Old 08-04-2005, 09:01 PM
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Probably is too rich of a tune...
Old 08-04-2005, 09:02 PM
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well it wasn't to rich untuned.. i put 100 miles on it untuned and hell it only cut off once.. it was running rich yes.. but how the hell did he get it that far off????
Old 08-04-2005, 09:03 PM
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someone else ask me if it was the same pcm he sent back.. how do i check, what affect could or woud this have if it wasn't?
Old 08-04-2005, 10:07 PM
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The VIN is stored in the PCM, can use a TechII or read it with someones borrowed tuning software to make sure it matches what your cars VIN is.

Can't help much with the sputtering, would have to look at some scan-data graphs/logs.
Old 08-04-2005, 10:30 PM
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Send the PCM back and have him fix it, most places should take care of it or at least look at it.
Old 08-05-2005, 12:00 AM
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plug wire..




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