1996 7.3 - Diesel Forum - TheDieselStop.com
Power Strokes 1994-1997 General Technical discussion of topics related to vehicles powered by the Power Stroke engine in 1994 through 1997 models.

 
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post #1 of 9 (permalink) Old 12-29-2018, 01:58 PM Thread Starter
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1996 7.3

I have a 1996 7.3 auto 4 wheel drive anyone know if this is the right pcm or which one do I need
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post #2 of 9 (permalink) Old 12-29-2018, 02:40 PM
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That is the IDM that drives the injectors.

The PCM is located behind the trim and emergency brake assembly. If you look down the drivers side fender on the firewall you will see the connector.

Here is a set of instructions on putting in a chip which shows how to pull the PCM.

https://www.totaldieselperformance.c...stall94-97.pdf

96 F250 PS XLT 4X4 long box, 5sp,4.10, manual hubs,pyro+boost guages, Dark Toumaline, add a leaf, Dale's TYMAR, and HX hose, downpipe, coolant filter, Luk clutch
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post #3 of 9 (permalink) Old 12-29-2018, 03:06 PM
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What was being worked on when the chip was removed or tried to be reinstalled?

A performance chip is installed in the PCM and not the IDM. If the work was being done around the IDM I would check the fuses under the hood #22, #9, and #8. If it is related to killing the truck those fuses will do it.

96 F250 PS XLT 4X4 long box, 5sp,4.10, manual hubs,pyro+boost guages, Dark Toumaline, add a leaf, Dale's TYMAR, and HX hose, downpipe, coolant filter, Luk clutch
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post #4 of 9 (permalink) Old 12-31-2018, 08:25 PM Thread Starter
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My buddy plugged the chip in while it was running and killed it so what did it mess up and what do I need to buy
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post #5 of 9 (permalink) Old 12-31-2018, 10:14 PM
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You most likely fried the PCM, which as mentioned is down low on the firewall. It comes out through the engine compartment. You can read the program code using a flashlight and mirror (and deciphering the backwards text). It should be a DPC-202 family of PCM (49-state, automatic trans) and then have an alphanumeric code such as TDE0 or NAW4, etc. Cheers!

97 F250 SC 4x4 (CA model), E4OD, 4.10 LS,
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post #6 of 9 (permalink) Old 01-01-2019, 09:52 AM Thread Starter
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Thank u all so much one more question the part that drives the injectors is that the right code for the truck it’s from a junk yard from the guy before and the truck misses out and runs like **** could that be the wrong one or would that cause it to run bad
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post #7 of 9 (permalink) Old 01-01-2019, 10:44 AM
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On the injector driver module (IDM) any one of them from a 1994 to a 2003 will work.

A miss can be caused by a lot of different things but one of the big things with these trucks in the wiring that goes through the valve cover harness to the injectors. The glow plug wiring will burn the connectors to where the injector wiring will start to short out causing a problem.

96 F250 PS XLT 4X4 long box, 5sp,4.10, manual hubs,pyro+boost guages, Dark Toumaline, add a leaf, Dale's TYMAR, and HX hose, downpipe, coolant filter, Luk clutch
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post #8 of 9 (permalink) Old 01-01-2019, 02:12 PM Thread Starter
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So the pcm is what the chip plugs into correct ?
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post #9 of 9 (permalink) Old 01-01-2019, 06:52 PM
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Yes, the chip connects into the PCM

96 F250 PS XLT 4X4 long box, 5sp,4.10, manual hubs,pyro+boost guages, Dark Toumaline, add a leaf, Dale's TYMAR, and HX hose, downpipe, coolant filter, Luk clutch
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