Forum: 4.0 SOHC / 4.0 OHV Tech
07-17-2012, 07:24 PM
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Replies: 11
Views: 3,367
Re: Freeze frame data knowledge???
I'm going out on a limb and saying your dpfe codes are a bad dpfe sensor. thats a guess. fix the other stuff first then you can mess with the dpfe.
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Forum: 4.0 SOHC / 4.0 OHV Tech
07-17-2012, 07:01 PM
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Replies: 11
Views: 3,367
Re: Freeze frame data knowledge???
Misfire bank 2 (bad injector) and your purg solinoid is sticking open causing your engine to pull fuel vapor from the carbon canister all the time, thats what I can think of with the data supplied. ...
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Forum: 4.0 SOHC / 4.0 OHV Tech
06-21-2012, 05:25 PM
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Replies: 14
Views: 1,566
Re: out of ideas
whats the fuel pressure? sounds almost like an injector(s) bleeding down then flooding the engine and it restarts because the fuel evaporates. Have you tried starting it while holding foot to the...
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Forum: General Tech
06-15-2012, 07:31 PM
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Replies: 28
Views: 13,860
Re: EGR Flow Insufficient (PO401)
I'm assuming you checked for carbon deposits in the barbs for the hoses connecting the DPFE to the EGR tube. Check continuity between the the wires between the computer and the DPFE and also between...
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Forum: 3.0 Vulcan Tech
06-15-2012, 06:18 PM
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Replies: 10
Views: 18,730
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Forum: 4.0 SOHC / 4.0 OHV Tech
06-14-2012, 05:07 PM
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Replies: 13
Views: 2,603
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Forum: 4.0 SOHC / 4.0 OHV Tech
06-12-2012, 11:49 AM
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Replies: 39
Views: 5,970
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Forum: 4.0 SOHC / 4.0 OHV Tech
06-11-2012, 05:55 PM
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Replies: 4
Views: 1,989
Re: Egr insufficient flow
could be. you can check. and see if the hoses are blocked. anything in the egr tube (carbon buildup) could be restricting flow too. have you opened the valve while the enging is idling? it should...
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Forum: Introduce Yourself
06-10-2012, 04:56 PM
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Replies: 6
Views: 573
hello from Nebraska
Hello I'm the proud owner of a 97 4.0 4x4 Ranger extended cab. Once uppon a time I worked in a Ford dealership but got tire of dieing 5 years on warrenty work I left and got a job managing a fleet...
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Forum: 4.0 SOHC / 4.0 OHV Tech
06-10-2012, 04:42 PM
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Replies: 4
Views: 1,989
Re: Egr insufficient flow
Your DPFE sensor is bad. It moniters EGR flow and you can find it connected to two hoses running off the EGR tube. Remove it and tap the open holes against your hand and 9 time out of 10 water will...
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