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Head, Cam and PCM swap, idle problem (3,000RPM)

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Old 12-08-2007, 01:54 PM
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Default Head, Cam and PCM swap, idle problem (3,000RPM)

I swapped the PCM and everything seem great. I took it fo ra test drive and didn't make to the end of my street when the idle went up to 3,000 rpm. I checked the obvious, but it seems to be the program???

Any suggestions?

I can swap my original PCM back in, but I don't know if I should drive it more and give it a chance to learn anything?
Old 12-08-2007, 01:57 PM
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when i accidentally left my iac unplugged, the idle was way up.
Old 12-08-2007, 03:11 PM
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you need a custom tune
Old 12-08-2007, 04:28 PM
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I put the stock PCM back in and it acutally runs really well. The idle is a little touchy, but it's almost there. I just don't have rear O2 deletes and the gearing corrected for the 4.11's

The car runs wicked though and sounds awesome.




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