Quote:
Originally Posted by wullaby
Thanks, yeah a guy at work told me to be careful with carb spray it can ignite? SO I will stick to WD-40 which i have readily available already. Another guy told me at work that the Fuel Rail Sensor code could be a sign of fuel pump failure or something of that nature...
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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.