This shit piece of ****ing contraption almost got my kids and I killed.
If you reside in a non-emission nazi state, do yourself a favor and eliminate the EGR and DPFE...and get it tuned accordingly.
If you reside in a regulate your ****ing balls state such as Kalifornia, be aware that a failing DPFE can be an intermittent stumble/surge/hesitation symptom and can be bad enough to get your ass killed.
Worst part is that the damn DPFE is tied into the VREF and WILL GROUND the electrical system causing the vehicle's PCM to blow out, possibly (if you're lucky), blow a fuse and both scenarios will result in a stall at whatever speed you are traveling at.
More info:
97-15A 7.3L DI Turbo
Let me mention how UN****ING-NERVING it is when you're doing 70+ in the fast lane when the car stumbles, all the lights in the dash come on, the gauges begin to SWEEP from left to right (nervously glancing outside for UFOs and a beam of light from above, doing your best to honk and grab attention, fipping on the hazzards, swiftly maneuvering as best as possible with a stalled vehicle to the slow lane/shoulder wihout any power steering and limited braking). Damn this shit. I have my ****ing KIDS in the ****ing car!!
Some of you guys may recall my dead PCM/ECU thread from last year:
http://www.svtperformance.com/forums/new-edge-cobras-51/885550-dead-pcm-ecu.html
As I chased down the possible culprit to my stumble/hesitation problem over the last 3-4 months, I've spent days/hours and lots of mula trying to sort out the issue. One rule I mostly adhere to is to reset the PCM/ECU after any engine or electrical upgrades/changes. My mistake from a few months ago was replacing the DPFE and NOT resetting the computer. After discovering no improvement with it, I convinced my Ford rep to take back the brand new DPFE (they normally do not allow this), stuck the old DPFE back on the motor and continued on with my quest to locate the problem. One of them being a sticking EGR that I replaced with a new one (helped, but did not completely solve my problem).
If someone has any of the above mentioned symptoms, delete your EGR system (if legal), or buy a ****ing new one. Remember to unplug the neg battery terminal, flip your lights on, depress the brake pedal to discharge all remaning electrical current in the vehicle to allow a PCM/ECU reset.
Tidbit I learned from another vehicle forum: All DPFE units are interchangeable (80's to current) OEM and OEM looking plastic only. Stay away from the metal housing ones. The difference between say a 1994 and a 2004 unit is a failure voltage of .06 and 1.0. The earlier ones detecting failure at .06.
Visual:
If you reside in a non-emission nazi state, do yourself a favor and eliminate the EGR and DPFE...and get it tuned accordingly.
If you reside in a regulate your ****ing balls state such as Kalifornia, be aware that a failing DPFE can be an intermittent stumble/surge/hesitation symptom and can be bad enough to get your ass killed.
Worst part is that the damn DPFE is tied into the VREF and WILL GROUND the electrical system causing the vehicle's PCM to blow out, possibly (if you're lucky), blow a fuse and both scenarios will result in a stall at whatever speed you are traveling at.
More info:
97-15A 7.3L DI Turbo
A VRef signal intermittently shorted to ground will cause the PCM to reset and will be indicated by an engine stumble or stall condition. This will cause the glow plug lamp and relay to recycle.
A VRef signal continuously shorted to ground will cause a no start condition.
Let me mention how UN****ING-NERVING it is when you're doing 70+ in the fast lane when the car stumbles, all the lights in the dash come on, the gauges begin to SWEEP from left to right (nervously glancing outside for UFOs and a beam of light from above, doing your best to honk and grab attention, fipping on the hazzards, swiftly maneuvering as best as possible with a stalled vehicle to the slow lane/shoulder wihout any power steering and limited braking). Damn this shit. I have my ****ing KIDS in the ****ing car!!
Some of you guys may recall my dead PCM/ECU thread from last year:
http://www.svtperformance.com/forums/new-edge-cobras-51/885550-dead-pcm-ecu.html
As I chased down the possible culprit to my stumble/hesitation problem over the last 3-4 months, I've spent days/hours and lots of mula trying to sort out the issue. One rule I mostly adhere to is to reset the PCM/ECU after any engine or electrical upgrades/changes. My mistake from a few months ago was replacing the DPFE and NOT resetting the computer. After discovering no improvement with it, I convinced my Ford rep to take back the brand new DPFE (they normally do not allow this), stuck the old DPFE back on the motor and continued on with my quest to locate the problem. One of them being a sticking EGR that I replaced with a new one (helped, but did not completely solve my problem).
If someone has any of the above mentioned symptoms, delete your EGR system (if legal), or buy a ****ing new one. Remember to unplug the neg battery terminal, flip your lights on, depress the brake pedal to discharge all remaning electrical current in the vehicle to allow a PCM/ECU reset.
Tidbit I learned from another vehicle forum: All DPFE units are interchangeable (80's to current) OEM and OEM looking plastic only. Stay away from the metal housing ones. The difference between say a 1994 and a 2004 unit is a failure voltage of .06 and 1.0. The earlier ones detecting failure at .06.
Visual:
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