STUMBLE UNDER HARD ACCEL
Senior User
Joined: Feb 2009
Posts: 491
Likes: 4
From: Southern Illinois
My first thought is a bad fuel injector.
Fleet Owner
Joined: Apr 2008
Posts: 24,316
Likes: 5,127
From: 0,0,1
Replace the fuel filter lately, or is it original?
Do a fuel pressure test to make sure you're up around 45 PSI at idle. If it's below 40 PSI you have a weak fuel pump.
Do a fuel pressure test to make sure you're up around 45 PSI at idle. If it's below 40 PSI you have a weak fuel pump.
Posting Guru
Joined: Aug 2008
Posts: 1,211
Likes: 1
it's only 20,000 miles past due definetly great place to start your pump might be close to death because of that
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Senior User
Joined: Mar 2006
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ive atempted a few times and couldnt get the sob removed. broke my plastic fuel removal tool in the process any body know of an easier way to do it. thanks
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Senior User
Joined: Mar 2006
Posts: 435
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i took the gas cap off but that was it, what else do i need to do to relieve the pressre
Laughing Gas
Joined: Feb 2006
Posts: 843
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If you have a schrader valve on the fuel rail, you can bleed off the pressure there like letting air out of a tire. The down side of this is you have gas running out. The safer way is to pull the fuel pump fuse and try to start it. It should fire up and die right away. This should relieve the pressure in the line.
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Joined: May 2010
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Just bought an 06 expedition w/88000 mi. on it and had same problem. Took it back to dealer they said it was the catalytic converters.They changed them then said still had same problem.Then they said the plugs were
the problem,changed the plugs and no more problems.good luck
the problem,changed the plugs and no more problems.good luck
Posting Guru
Joined: Aug 2008
Posts: 1,211
Likes: 1
Just bought an 06 expedition w/88000 mi. on it and had same problem. Took it back to dealer they said it was the catalytic converters.They changed them then said still had same problem.Then they said the plugs were
the problem,changed the plugs and no more problems.good luck
the problem,changed the plugs and no more problems.good luck
take it back and ask why they didn't check the fuel injectors causing the problem under the recall leaking injector fouled the plug and melted cat