TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.
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randon missfire q's

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Old Jul 23, 2011 | 03:06 AM
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supamaro383's Avatar
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Joined: Feb 2009
Posts: 150
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From: OAKLAND, CA.
Car: 92 RS
Engine: 383 FIRST TPI OBDII DBW
Transmission: T-56
Axle/Gears: 3.73 POSI DISK
randon missfire q's

So I have EFI connection conversion on my 92 383 Tpi with dbw with a zz4 cam , now my pcm has a 2002 c5 file . I know the cam is way different, will that cause the missfiers
? I took it to a tunner and he told me something is wrong with my car but it ran fine with the old ecu. The only code I'm Geting is p0300 which is random missfire so any ideas will help thanks
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