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View Full Version : fule pump not starting up



Shaun92
10-08-2011, 12:31 PM
this is a interstering one, im doing this in a gen 1 but it has gen2 harness and computer, it all powers up fine and cranks over but i carnt get the fule pump to start, does the negine computer have any control over the pump or is it all in the control relay? if it is the computer what could be the problem.

old magna
14-08-2011, 03:46 PM
im almost certain the pump is switched by the ecu, because when the engine isnt cranking or running it wont pump. only the ecu would know what state the engine was in. i dont know if that relay i sent you was 100% working and think i said it at the time. test if the coil has a trigger current. but there is two inhibitor circuits on the transmission i think. one is starter motor and one is pump. but ill look at a diagram for you when i get home.

Shaun92
15-08-2011, 07:03 PM
yer got it working by pased the auto inhibiteor and was using the wrong blue balk wire for the fule pump there is 4 and i carnt tell if there black blue or blue black lol, just got to get the extractors on she wont run its flodding because of no 02 sensor