2002 Ford Explorer Logo
Anonymous Posted on Aug 26, 2012

Hard start on 2002 ford explorer

Have to start engine two or three times before it starts.

  • Anonymous Sep 04, 2012

    Solution: pressure valve in the fuel pump not holding pressure. Replaced fuel pump module assembly which is within the fuel pump. A $400+ repair. Darn Tires Plus had replaced fuel pump two years prior so gave me a 60% discount. Still, shouldnt have to replace FP twice in 3 years.

  • Anonymous Sep 04, 2012

    Did this do the trick?

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1 Answer

Anonymous

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  • Expert 86 Answers
  • Posted on Aug 27, 2012
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Chk/replace the fuel filter, clean plugs, and chk the battery connection is clean. Disconnect the battery then chk the wiring connection to the fuel pump by removing and putting back on a couple of times. If not these then could be a wire to a sensor. cheers

  • Anonymous Aug 27, 2012

    Thanks Peter CW. Battery connection is clean. I'll check fuel filter. Some posts also suggested checking DPFE sensor. I'll reply back in a day or two.

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5 Related Answers

Anonymous

  • 667 Answers
  • Posted on May 19, 2009

SOURCE: need timing marks for 2002 ford explorer 4.6l

If you can not find a Haynes or Chilton Manual for sale in your local parts store, you should check your local library, they may have the manual or repair (shop) manual that you can copy pages from for your use. This way you will have pictures.

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Anonymous

  • 1 Answer
  • Posted on Dec 17, 2008

SOURCE: MY FORD EXPLORER WONT START

fuel pump relay

Anonymous

  • 12 Answers
  • Posted on Nov 15, 2008

SOURCE: 2002 Ford Explorer Jerking when in motion

Does the jerking feel like a fish bite ( especially when pulling a hill?) if so it may need plugs and wires

if you have one bad plug wire the problem seems to smooth out at higher speeds

Hope this helps

Ronnie Wilson

  • 1596 Answers
  • Posted on Jul 24, 2009

SOURCE: Need timing marks for 2002 ford explorer 4.0




The Info I Have Is Extensive and Has Illistrations, I Need to Emali it to You As it is Very Large, This Is A Small Example Im @[email protected]

Special Tool(s)

  1. With the vehicle in neutral, position it on a hoist.
  2. Remove the intake manifold.
  3. Remove the fuel supply manifold.
  4. Remove the accessory drive belt.
  5. Remove the thermostat housing.
  6. Remove the roller followers.
  7. NOTE: You must retime the LH and RH camshafts when either camshaft is disturbed. Turn the crankshaft clockwise to position the number one cylinder at top dead center (TDC).
  8. NOTE: Late build pulley shown, early build pulley similar. NOTE: The special tool must be installed on the damper and should contact the engine block to position the engine at TDC.

Combustion Dynamics

  • 30 Answers
  • Posted on Jul 24, 2009

SOURCE: Need timing marks for 2002 ford explorer 4.0

There are no marks on this one. There is a special tool set to align camshafts ($900). The best you can do is to bring #1 cyl to TDC compression with both cam(valve) covers off. #5 cyl should have lobes at equal opening, exhaust just closing and intake just opening.. #1 cyl cam lobes should each be diametrically opposed to the positions of #5. If cams need to be moved, there is no registration of gear onto cam. Just loosen bolt holding gear and move cam. Retighten bolt. Roll thru 2 crank revolutions and check cam timing again.Simple.

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