Idm codes
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Postmaster
Joined: Jul 2005
Posts: 3,956
Likes: 6
From: Abilene, Texas
Idm codes
My buddy has a 02 7.3 that's running really ruff. Did buzz test with AE and got p0270, p1264, p1274, and p1276
First thought was uvch. Truck wouldn't even hardly stay running. Pulled valve cover and sure enough the harness was particaly unpluged. The clips were broke so I replaced the harness, but not the gasket (pins looked good). Put it back together truck runs way better, but still pretty ruff. Did another buzz test and got same codes. Also the number four sounds very week during the buzz. Where do I go from here. Is it the number 4 injector or the Idm?
First thought was uvch. Truck wouldn't even hardly stay running. Pulled valve cover and sure enough the harness was particaly unpluged. The clips were broke so I replaced the harness, but not the gasket (pins looked good). Put it back together truck runs way better, but still pretty ruff. Did another buzz test and got same codes. Also the number four sounds very week during the buzz. Where do I go from here. Is it the number 4 injector or the Idm?
Post Fiend
Joined: May 2009
Posts: 5,470
Likes: 3
From: Pea Ridge, AR
Personally I do not think it's the IDM, have you ohmed out the injectors? This might help try to isolate the issue.
GB_Tech_Bulletin_103_Ford IDM_Module_Replacement (1).pdf
GB_Tech_Bulletin_103_Ford IDM_Module_Replacement (1).pdf
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Postmaster
Joined: Jul 2005
Posts: 3,956
Likes: 6
From: Abilene, Texas
Update. Finnaly got back to truck. So far it has new uvc harness and gasket. Still throwing same codes. Check harness at the Idm like using the above page. Everything. checks out. What do you think? Bad Idm?
Post Fiend
Joined: May 2009
Posts: 5,470
Likes: 3
From: Pea Ridge, AR
I personally feel that you don't have an IDM issue, because they are somewhat rare, swapping injectors will help eliminate that though.
Based on your codes though, I would not swap #4 and #6 but I would swap them to the outsides like #2 and #8. Just to verify.
Based on your codes though, I would not swap #4 and #6 but I would swap them to the outsides like #2 and #8. Just to verify.
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