NO Start
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Senior User
Joined: Aug 2011
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I tried reading a code when the CEL was on and the truck was still running and now the scanner says, "No link".
Does this sound like I am having a problem with communication to the computer? One of the things I did right before the truck started was to disconnect the harness going into computer and just reconnect it. I am now leaning towards the PCM pigtail or the PCM.
What would you guys do now? Can't get a code, and I am losing communication at my OBD.
Does this sound like I am having a problem with communication to the computer? One of the things I did right before the truck started was to disconnect the harness going into computer and just reconnect it. I am now leaning towards the PCM pigtail or the PCM.
What would you guys do now? Can't get a code, and I am losing communication at my OBD.
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Joined: Sep 2011
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I checked my IPR voltage again today and it was 12 volts with key on, so I put the pigtail back on, and tried to start the truck and it started. I was shocked.
BUT, then it died. But my high pressure fuel pump is leaking a bunch of fuel and I think it got air in the system, so it won't run again. Where can I get the O ring that goes in the high pressure fuel pump by the little screen? I called Ford and they don't even list it.
I hope it is just air getting in the system now.
BUT, then it died. But my high pressure fuel pump is leaking a bunch of fuel and I think it got air in the system, so it won't run again. Where can I get the O ring that goes in the high pressure fuel pump by the little screen? I called Ford and they don't even list it.
I hope it is just air getting in the system now.
New User
Joined: Sep 2011
Posts: 2
Likes: 0
I checked my IPR voltage again today and it was 12 volts with key on, so I put the pigtail back on, and tried to start the truck and it started. I was shocked.
BUT, then it died. But my high pressure fuel pump is leaking a bunch of fuel and I think it got air in the system, so it won't run again. Where can I get the O ring that goes in the high pressure fuel pump by the little screen? I called Ford and they don't even list it.
I hope it is just air getting in the system now.
BUT, then it died. But my high pressure fuel pump is leaking a bunch of fuel and I think it got air in the system, so it won't run again. Where can I get the O ring that goes in the high pressure fuel pump by the little screen? I called Ford and they don't even list it.
I hope it is just air getting in the system now.
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Senior User
Joined: Aug 2011
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IDM is the injection drive module, which supplies 100 plus volts to the injectors, located under drivers side hood latch, up near the firewall. It is an aluminum box about an inch thick and about 5 inches wide by 7 inches long, something like that.
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Jeffrey, we tried an actron and a snap on. I think my Ca model has an OBD I, (6 pin) and it is underneath the passenger side dash. I could not locate an EEC-4 under the hood anywhere. I looked by the drivers side hood latch(near IDM), but couldn't find any pigtail for it.