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7.3 Won't Start Cold Unless Plugged Up
Yes when I crank it after it has been sitting overnight and I don't have it plugged in it will belch a ton of smoke so my guess is that the glow plugs are my problem. Once I get them replaced I'll let everyone know how it goes. Thanks for all the help!- whitemomba
- Post #22
- Forum: 7.3 Tech
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7.3 Won't Start Cold Unless Plugged Up
Alright so I went out and finally tested my plugs through the VC gaskets and it looks like I have 4 that are either unplugged or completely dead and 2 that are weak or dead. This is what I got cylinders 2 and 5 are 1.5 ohms 4 and 7 are 0.3 ohms 1, 3, 6 and 8 gave me no readings. By no readings I...- whitemomba
- Post #19
- Forum: 7.3 Tech
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7.3 Won't Start Cold Unless Plugged Up
Also, getting back to the problem, I forgot to add that I did audibly hear the GPR click on yesterday but after the truck was already warmed up from running so I wasn't able to note if that helped the truck start or not. I went out this morning to see if I could audibly hear the relay click on...- whitemomba
- Post #18
- Forum: 7.3 Tech
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7.3 Won't Start Cold Unless Plugged Up
Anyway you could explain what that HVHF IDM is or does? I understand what the IDM is and what it does but would the HVHF have an effect on injection timing, mpg or drivability? Would it require custom tuning to run it? I have the PHP hydra chip and run Bill's tunes.- whitemomba
- Post #17
- Forum: 7.3 Tech
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7.3 Won't Start Cold Unless Plugged Up
Thanks Bruce. I checked the glow plugs when I did valve cover gaskets about 6-8 months ago and they all checked out fine. Next time I get a chance I will ohm the GP pins on the UVCH connector. I have a feeling I will be pulling the VCs again. Hoping I won't have to since I have the PDP thicker...- whitemomba
- Post #16
- Forum: 7.3 Tech
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7.3 Won't Start Cold Unless Plugged Up
I'm using the rotella 15-40 conventional oil. I usually change to the rotella T6 5-40 synthetic when it starts to get cold but I forgot to tell them that the last time I was getting my oil changed which was in December. I've never had a problem with it not starting till this winter. I had 15-40...- whitemomba
- Post #5
- Forum: 7.3 Tech
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7.3 Won't Start Cold Unless Plugged Up
On the first start in the morning it stays on for about 10 seconds and once the motor is warm it stays on for only about 3-5 seconds so I'm guessing everything is working there. I did test the voltage at the GP relay when it is cold and it was sending power to the glow plugs for about 15 to 20...- whitemomba
- Post #3
- Forum: 7.3 Tech
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7.3 Won't Start Cold Unless Plugged Up
First off thanks in advance for everyones help. This post may be long winded so I apologize but please try to bear with me. Alright so I've been having some cold start troubles with my 2000 F250 7.3 with 247xxx miles. If the truck sits for an extended period of time (8 hours or so) it will not...- whitemomba
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- Replies: 21
- Forum: 7.3 Tech
