View Bmw X5 P0171
PNG. The engine control module (ecm) calculates the necessary. If none of the above diagnostics and resultant fixes clears the faults, further diagnostics will be required.
I had the codes read and found p0171, p0174 indicating both banks were lean.
After a little while i started the car but wasnt even a cranking sound, then i jump start it and drove. If none of the above diagnostics and resultant fixes clears the faults, further diagnostics will be required. After a little while i started the car but wasnt even a cranking sound, then i jump start it and drove. However as soon as the car gets decently low on gas, the car starts to act up by surging and eventually stalling out as if it ran out of gas then throws p0171 & p0174 (fuel system too lean), as soon as we fill up the car with gas, it runs perfectly fine.
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