7.3 IDI wont shut off - Page 2 - 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 #11 of 14 Old 02-23-2014, 03:55 PM Thread Starter
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Im glad you posted this. Dad finished the wiring yesterday and he called me and said it didnt make a difference. Ill call him and tell him its the shut off solenoid. Ill just look up where it is. Thanks man and yeah ill tell him to have a board or something handy in case it runs away

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post #12 of 14 Old 02-23-2014, 04:03 PM
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Quote:
Originally Posted by CILcoalroller6.4 View Post
Im glad you posted this. Dad finished the wiring yesterday and he called me and said it didnt make a difference. Ill call him and tell him its the shut off solenoid. Ill just look up where it is. Thanks man and yeah ill tell him to have a board or something handy in case it runs away

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In case you or anyone else is wondering. Mine stopped on the road because it went bad in the extended position. I wired it in the retracted position to get it started and get it home. So I surmise yours might have went bad in the retracted position. You can test it once you take it out by just putting power to it and see if it extends and contracts. It should contract with power and extend without power. Thus when power is pulled it extended via a spring inside and shuts of the fuel. Put power to it, it retracts to open the fuel.
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post #13 of 14 Old 03-14-2014, 06:35 PM Thread Starter
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Just for reference the shut off solenoid was the reason. We replaced it earlier today and now it shuts off like normal. Thank you totalloser and Debreke for this, we wouldve dumped a lot of time into useless wiring.

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97 F250 CCSB 4 inch straight pipe, 6637 intake, TS 6 pos (daily)

08 F350 6.4 Reg Cab flatbed Spartan tuned, AFE Intake, DPF/DOC Delete(work truck)

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post #14 of 14 Old 04-08-2014, 12:44 PM
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Glad you got it worked out. I guess you found that I was pointing to the wrong solenoid.

I think the only hitch in replacement is that the kill solenoid must be removed to replace the cold start solenoid, and that the kill solenoid looks like the hook part is supposed to go around the lever- it's not. It's only a "push" lever. I just replaced a bad CS solenoid on my buddy's truck yesterday and got a more recent look at it.
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