Anyone else get positive deviation code in merely a stage 1 car?
09-28-2004, 01:06 PM
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Anyone else get positive deviation code in merely a stage 1 car?
i've done some STFA and all I find are discussions involving cars with either very free flowing exhausts or some homebrew KO4 cars joining in teh conversation.
I've heard I should check the N75 valve and its hoses.
already checked the the TBB's, my BPV's are 710N's also. what to check besides N75 area. my car is completly stock engine wise except for an engine chip.
I've heard I should check the N75 valve and its hoses.
already checked the the TBB's, my BPV's are 710N's also. what to check besides N75 area. my car is completly stock engine wise except for an engine chip.
09-28-2004, 01:12 PM
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really? which ones? how is it related? its entirely possible though considering
i have 99K+ miles on my car. i've already replaced one that was giving me trouble. That was a passengar side front primary (front) O2 sensor. btw, i'm not getting any O2 sensor codes but an occasional primary catalyst below efficiency code.
09-28-2004, 02:32 PM
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17965? Usually means actual boost is not meeting the expected (often a boost leak).
It sounds backwards, but from what I've seen, positive deviation = underboosting, negative deviation = overboosting.
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