mardi 1 juillet 2014

Is this normal fuel pump operation

04 325ci



pretty sure the fuel pump went out. no start, no pressure on the schrader, and test 6.0 reads normal (more fuel in right tank)



pulled the plug and hooked up the volt meter (mind you its not the best volt meter)



across the level sensor wires im only ready 4.93 volts



on the fuel pump i read 0 volts until i turn the car over. (i thought it primed the pump when you first cut the key on) anyways, when i turn the car over it jumps up to about 11.2 and then tapers to 10.77. i assume thats a normal voltage reading with the start drawing. battery is charged. looks like the original pump in the car





also had lean bank 1/2 codes pending...



so im 95% sure its the pump but it just seems to be acting a little funny on the voltage readings. I also got my other key out of the house to make sure it wasnt an immobilzer issue, but i dont even think the care would turn over if thats the case.




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