SOS HELP 7.3l
Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
Check your CPS pigtail wires too. They have been known to go bad.
Clay has replacement CPS pigtails too. http://www.riffraffdiesel.com/cps-harness-pigtail/
Stewart
Clay has replacement CPS pigtails too. http://www.riffraffdiesel.com/cps-harness-pigtail/
Stewart
Super Moderator
Joined: May 2004
Posts: 29,380
Likes: 118
From: Central Coast of CA
I'd also wanna check the pigtail to make sure all is well there too. Eliminate the easy stuff, ya know?
Stewart
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Joined: Feb 2016
Posts: 32
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From: Greeley, co
Yeah that was done months ago I just did injectors last weekend and installed the hydra chip so I had to pull and reinstall the pcm. Yeah I checked all the stuff I could without tools before my friend got down to pick us up. I did have one tool and that was a 10mm socket and ratchet so I checked the 42 pin connector and the 104 pin connector for the pcm for proper tightness
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Joined: Feb 2016
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From: Greeley, co
What cable? On the 42 pin connector?
Logistics Pro
Joined: Oct 2011
Posts: 3,953
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From: Mcdonough, GA
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Joined: Feb 2016
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From: Greeley, co
see post nbr 20 in this thread
https://www.ford-trucks.com/forums/1...l-issue-2.html
https://www.ford-trucks.com/forums/1...l-issue-2.html
Hotshot
Joined: Jan 2011
Posts: 18,849
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From: Puget Sound
Do I ever have this tee shirt. Pull the chip and see if it will run without stalling. It's a pain in the butt.. and foot... and neck... but it will drive. I have 160/100s and I had to drive 400 miles without the chip to get home. It turned out the borrowed chip I had was previously installed on a PCM with the edges fattened up with solder. This spread the contacts on the chip, preventing them from getting good reliable connection on my PCM with skinny contacts and the truck would randomly stall/not restart. You might just have some crud on the PCM connector to the chip.
While driving like this, the biggest pain is trying to regulate speed in town, but highway driving is fine. Decelerating to an idle is really funky.
While driving like this, the biggest pain is trying to regulate speed in town, but highway driving is fine. Decelerating to an idle is really funky.
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Freshman User
Joined: Feb 2016
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From: Greeley, co
So I checked everything out and everything is fine, so I had it brought to the shop, they think it's the pcm the did a pin point test and said it is the pcm and that they ran codes and there is a code for memory loss on it. But if it was the pcm wouldn't the truck not start at all?
