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1997 Ford Explorer

Tiny
REV3
  • MEMBER
  • 1997 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 66,000 MILES
Been looking at a 1997 explorer 4.0l sohc for a low idle and miss at idle has a codes p0300 p0304 p0305
have replaced the intake gaskets
can not find any other vac leaks
has new plugs and wires
fuel pressure is 30 psi, I can not find a spec.
bank 1 long fuel trim is 25
bank 2 long fuel trim is -15
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Thursday, February 18th, 2010 AT 7:40 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,300 POSTS
You are at the minimum pressure with the key on eng off. It should be 30 - 45 psi. Does it drop when you start the engine?

Have you replaced fuel filter? Also, I have gotten bad wires / plugs before, have you rechecked the ones that are missing? Are they properly gapped?
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Friday, February 19th, 2010 AT 1:23 PM

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