Hard Start When Cold, Glow Plug Codes
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From: Georgia
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Senior User
Joined: Oct 2018
Posts: 112
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From: Georgia
Alright, got all my parts today and got going on it. Fender wells out. All was going great until I got to #3. The tip is most definitely swollen. It will completely unthread, pull out about 1/4”, and go no further. I’ve been told that I’m in big trouble if I snap this tip off, and I need this truck back on the road to tow this weekend. This plug in particular is testing .4-.6 ohms resistance. Should I just thread it back in and leave it alone? I have been pretty deep into this truck, but I lose all confidence when I think about removing the heads...
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Senior User
Joined: Oct 2018
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From: Georgia
False alarm folks, finally got that plug out and it was not swollen. Just caked up with carbon really bad. Took some persuasion to come out. Why? I don’t know. But anyways, 8 new glow plugs and new Motorcraft harnesses, she fired right up. Made a little cloud of smoke and blew a mist of some kind of oily substance out of exhaust onto the floor, and smelled funny for about the first minute. I assume some oil had seeped into the cylinders while changing plugs. I had also shot some PB blaster down the #3 hole so may have been that. Anyways, all the codes went away by theirselves instantly, and it seems that I’ve got her fixed. Very satisfying! I assume the real test will be once I get it out of the shop and try to start it on a cold morning. If you don’t hear from me, then it worked. Lol. Thank you all for the suggestions and info.
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JAMES1952
Pre-Power Stroke Diesel (7.3L IDI & 6.9L)
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Dec 13, 2016 11:41 PM
