2002 Isuzu Trooper Cranks but won't start

Tiny
TWBARTLETT
  • MEMBER
  • 2002 ISUZU TROOPER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 115,000 MILES
My Daughter drove the trooper to the store came home and shut if off. Wouldn't restart. Good spark. Starts and runs very briefly with Starting fluid. Replaced Fuel pump. Fuses test ok. No fuel to filter. No sound from fuel pump. What to test next? I assume there's no voltage to the pump but I do have voltage to the fuses.
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Tuesday, July 22nd, 2008 AT 4:56 PM

2 Replies

Tiny
KHLOW2008
  • EXPERT
Hi TWBartlett,

Thanks for the donation.

I suspect the fuel pump relay in under hood fuse box is not working to supply power to the pump.

It gets its main power from the FL-3 ECM fuse (30A) and goes to the F10 fuel pump fuse (15A) which leads to the fuel pump.
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Tuesday, July 22nd, 2008 AT 11:00 PM
Tiny
TWBARTLETT
  • MEMBER
I found the problem. The connection inside the tank from the sending unit to the pump had burnt and was open.
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Friday, July 25th, 2008 AT 9:57 AM

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