LT1-LT4 Modifications 1993-97 Gen II Small Block V8

New headers New problems

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Old Mar 13, 2007 | 11:33 PM
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Stroker396@APF's Avatar
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Default New headers New problems

Ok Guys, this could fall here or in PCM Tuning maybe.

The car is throwing a P0174 too lean code. and P0300 misfires (related I assume),

I have not tuned out the rear O2's just yet so also get a P0140 and P0160 code for them. take care of that tomorrow.

So what can I do/ need to do? to get it to richen up?

Also, the bank 1 LTFT is near 0, but the bank 2 LTFT is at 25%

curious as well advance at idle is 15-16* anything else it jumps to 40*

Thanks,
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