lookin at IDI, common problems? - Ford Powerstroke Diesel Forum
7.3L IDI (Non-Powerstroke) Diesels Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

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post #1 of 5 Old 03-01-2011, 07:42 AM Thread Starter
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lookin at IDI, common problems?

just want to know a few things to look for when checkin out an IDI. not sure if its turbo yet or an IDI N/A. may even be a pstroke, its a 94. ill know when i get there. any common things to look for besides the cylinders corroding, which i cant see. any help would be appreciated

SOLD:2000 f-250 extended cab short bed 4x4 xlt 3.73's 6637 DIY intake 02-04 headlights. stock otherwise
SOLD: 1999 f-350 crew cab lariat short bed 4x4 3.73s
2002 extended cab short bed 4x4 XLT fx4 interior 3.73s AFE intake, 305/70/16 toyo MTs plow truck
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post #2 of 5 Old 03-01-2011, 08:39 AM
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glow plug relay failure is common in the IDI. most guys bypass them and install a rocker switch in the cab, so they only heat up when you want them too. Fuel/water seperator filters are kinda cashy $50. Not bad to work on though. U can find a lot of die hard IDI(6.9 and 7.3) guys on oilburners.net. Lots of knowledge and help.
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post #3 of 5 Old 03-01-2011, 08:43 AM
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Head gaskets leaking at rear and E4OD's.

'94 F-350 CC DRW 2WD Turbo IDI 7.3
Rebuilt E4OD w/"updates" & billet Precision "RV" TC
Custom welding Bed/Lincoln Classic II
Helper Bags
3" straight pipe w/one-off 6" SS tip
K&N Air Filter
Pioneer HU/Alpine components
7 235/85-16's (spare tire holder is modded for a bigger than stock spare)
FL-1995 & new ZD9's
Next: whenever the OEM injectors go out they will get replaced with BB codes
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post #4 of 5 Old 03-01-2011, 08:49 AM
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the E4OD transmissions in these are an expensive fix as well. There have been several upgrades to them since the original. Mine was rebuilt at 170,000. It was rebuilt by a local guy $800 with no upgrades. At 205,000 it went out again. Had it rebuilt with upgrades (torque convertor etc.)from a good shop with warranty and it was $2500. I learned a lesson.
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post #5 of 5 Old 03-01-2011, 11:43 AM Thread Starter
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e4od im not too worried about its got 150k, and i know where i can get one cheap. and im on oilburners too lol

SOLD:2000 f-250 extended cab short bed 4x4 xlt 3.73's 6637 DIY intake 02-04 headlights. stock otherwise
SOLD: 1999 f-350 crew cab lariat short bed 4x4 3.73s
2002 extended cab short bed 4x4 XLT fx4 interior 3.73s AFE intake, 305/70/16 toyo MTs plow truck
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