PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

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Aug 10, 2008 | 08:56 PM

#1

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Staging Lane

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need a help

we've installed '02 commodore engine on 300ZX it was raning fine and the idle was good. unfortunatlly, we boroed the pcm from a friend. We have a 99 camaro pcm, we installed the 99 pcm and we cracked the license. First day everything was fine, but next day, we got different issue, the car made alot of backfire and surging ...

when we connected the scan tool, the duty cycle was over 600% on both sides in addition to 0 to 40 spark within one sec.

Then we tried the 99 pcm on camaro 99 and the result was okay.

Please, any help ...

Last edited by Black_Tiger; Aug 11, 2008 at 01:25 PM.

Old

Aug 12, 2008 | 09:16 AM

#2

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Staging Lane

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any help

Old

Aug 12, 2008 | 10:09 AM

#3

FormerVendor

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From: Jacksonville Florida

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What mods are done to the engine?

Is it an auto or 6 speed? And the PCM that is in the car now, is it programmed for an auto or 6 speed?

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Aug 12, 2008 | 10:32 AM

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TECH Addict

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From: warsaw, in

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Maybe the car is getting back at you for: "we installed the 99 pcm and we cracked the license"

Old

Aug 12, 2008 | 07:12 PM

#5

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Staging Lane

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the engine have a crane 600/600 cam and DART ... and the trans is TH-350 and the pcm is tuned for th-350

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