Quote:
Originally Posted by Penguin
Yes, WD-40 is safer.
The fuel rail sensor code could indicate a fuel pump failing, or a pressure regulation circuit failing, e.g., a fuel pressure sensor, as the code specifies. It could also indicate a fuel filter clogging.
What I find odd though is that it is only throwing the BMW-specific codes, not the generic OBD-II codes. Typically if you have a vacuum leak, you will get the generic P0171 for a lean condition.
Going back to your original codes, it seems odd to get those two codes simultaneously. Where did you get the explanation for the P1168 code? (Fuel Air or Fuel Rail Sensor) Every where I have looked, I see that "Fuel Air or Fuel Rail Sensor" is associated with FORD, but for Nissan/Infiniti P1168 is "Closed Loop Control (Bank 2)." I cannot find any source which says what it means for BMW.
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I took my car to advanced auto parts and the guy told me to write down these 2 codes, the p1168 did not say fuel rail pressure sensor i googled to get that info, it actually said something else, I wrote it down so sloppy on a piece of small paper i could only manage to get " M.. Control Fuel Air M....." I don't know what the M's are i know I am an idiot the other code I wrote down is correct description, I thought if I googled it I would get the same info in different terms?? You think this is completely different than fuel rail pressure sensor?
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2003 BMW E53 X5 4.4i - M62 engine (Non Sport with Premium and Cold Weather Package)
Color: Steel Gray Metallic
Mods:4.6is Exhaust (Pipes, Mufflers and chrome oval tips) BMW Sport package Taillamps, BMW Tire Valve Stem Caps
Medium tinted front windows
JVC HD Radio
Alpine 4x100 channel Amp
Orion 600W Mono HC Amp
Three 12" Sony Xplode in subwoofer enclosure
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