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Black smoke, good hoses, bad fpr? 700

Thanks, guys, for all the suggestions. I have printed them out and will print out the 700/900 faq as well.

I just replaced the old fpr. Unfortunately, it hasn't made a difference. I'm noticing now, though, that there is less black smoke when the a/c is off. I can only get it to blow black smoke with the a/c off if I push the pedal to the floor. Boost is good, as is acceleration when I do this.

I also just got off the phone with John at VPI, who tells me that an AMM will often cause the EFI to run rich when it is beginning to fail. I have a good one on my 745Ti, so I'll try swapping them before spending the $250 for a new one. If that doesn't help, then it's to the faq and your responses.

I'll let you know what the problem was after I fix it.

Best,
mwm






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