Cars
Out of context: Reply #254
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- madirish0
sung- i too would want ot see codes thrown, but it could be a number of things. my gut tells me it is probably an 'old' code that was not dealt with or is something recurring that is just tough to trace... but a simple fix in the end.
O2 sensor jumps to mind right away, but if so, it is probably only becuase of the hotter/richer gases coming over it; causing it to be fouled and read incorrectly.
from that, i would think it could possibly be a rich mixture from a coil (maybe one slowly failing??) causing inconsistent A/F mixture. another *maybe* is this:
- have the turbos or their seals been replaced? i ask as those little hair dryers (K04's) are waaaaay prone to failure and they will run rich/not deliver boost from leak that the ECU thinks it should based on fuel maps and then CEL can be thrown due to mixture being off.... when in fact it is correct, it is just that there is a base-standard it is dynamically creating and it does not match up.ferfuckssake.
i just realized- is this a B6 or B7 S4? do you have the V8??? lol i could have just wasted 12 min on this entire post....
hahahahaha