Question about Isuzu Cars & Trucks
Got brand new relay for the pump. when you take out the charge relay it starts and runs.
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Posted on Jan 02, 2017
The common cause of the problem that you related.
Is the FUEL PUMP RELAY " Called MAIN RELAY.
Is located : left side under the dash.
Is a BIG relay gray colour. with a connector of 7 or 8 wires.
I recomend replace the relay.
And letme know if you solve your problem.
I hope this information work on your problem.
Thank you for use fixya.
Posted on Jul 25, 2008
SOURCE: fuel pump relay
The fuel pump relay is located in the relay box under the hood. This box is located near the battery. The fuel pump relay's location is marked on the lid to this relay box. If your lid is missing, it is the relay just outboard of the pink 30 amp Maxi Fuse.
Posted on Mar 02, 2009
Do you have the fuel tester hooked the in the overgrown air valve on the fuel rail in the back of the engine? Or do you have the fuel line unhooked in the back and hooked to the pressure pump? You want the fuel pressure to be in that 60 lb range so if you are hooked into the pressure valve on the fuel rail allowing fuel to go through, then I am betting it is the fuel pressure regulator. To get to that, you have to take the throttle body off and take the plastic plenum that covers the injector packs. On the back of the mount where your six pack of injectors are sits the pressure regulator. If it is faulty then it is dumping fuel instead of holding the pressure like it should.
Get a Chilton or Clymer manual and it shows you in pretty good detail how to fix it. I've done it to my 98 S10 with the same engine.
If you unhooked the fuel line so you are losing pressure from the line back to the pump then I would say your pump is letting fuel back to the tank when it shuts off. My money is on the first possibility though.
Posted on Mar 28, 2009
when u turn the key to run but don't start the fuel pump shuts off after 5 seconds + or - 2 seconds, this is normal, the common cause of no start on your truck is the TFI ignition module on the distributor, subject of many recalls for failing, also change the stator inside the distributor, use factory parts, aftermarket parts fail very quickly. here is a picture of the parts.
This is the stator
This is the TFI ignition module.
Posted on Apr 02, 2009
you'll need a professional computer to reset how ever there are two relays for fuel on chevrolet
i would suggest finding the second one first
Posted on Dec 14, 2009
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