Question about 1991 Isuzu Pickup
I bought a 1991 Isuzu pu with no motor. I got a 2.3 Isuzu motor that was in real good shape. we installed and I added a electric fuel pump. The truck runs great until it decides to shut down for no reason at all. I will be driving down the freeway and then it sounds like the fuel pump shuts down. I can here the fuel pump still running and it is driving me nuts.
Caution *** For your safety, Installation of this electric fuel pump requires that it be wired through the oil pressure switch
Posted on Jul 27, 2013
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Posted on Jan 02, 2017
SOURCE: AC blower motor
i had the same problem on my 2002 Axiom, I took it to the dealer and they said the blower motor is going out. They replaced it with a new one and it works fine now!
Posted on Dec 13, 2008
Can you hear a click during that 2 secounds? Thats the relay shutting off the pump just what its suppost to do. The pump does not run contenuosly, if it did it would burn up, thats what the relay is for, it kicks on and off to maintain the correct pressure to engine as needed. It will not turn back on until it resets itself because engine was not running, thats the way there designed.
Posted on Feb 19, 2009
You need four things for an engine to run. 1. fuel 2. spark 3. compression 4. timing (spark at the right time. By your post it seems you have fuel and spark and you probably have compression unless you blew a head gasket. That leaves the timing. Check the timing and/or the timing belt or chain whichever you have.
Posted on Aug 07, 2009
I realise you have probably solved this problem by now so sorry for the late news mate . Had a similar prob and it turned out to be an alternator malfunction . I replace the brushes and off she went . These things send voltage from the alt . to a fuel pump relay or whatever so the pump wont run if the eng isn't (or the alt isn't outputting any voltage.) . Hope you already had it sorted . But I hope this helps if not . Cheers Simon .
Posted on Aug 15, 2009
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