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Rough Starting 6.9idi
Yeah I run it everyday. She is my daily driver. But air intrusion is starting to make sense, I had the in laws stay over the weekend so we drove a rental around. Then Tuesday when I started her up it was definitely rougher than during the week and it is started every day. The truck is old and it...- Stu Bailey
- Post #5
- Forum: 6.9L IH & 7.3L IDI Diesels
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Rough Starting 6.9idi
So here's the new concern. When I go to start the truck in the morning it cranks up right away but then if I don't give it throttle after start for about 5 seconds or so, it starts to idle roughly, almost sounds like the engine is choking, bogging out. Sounds like a bad smokers cough with the...- Stu Bailey
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- Replies: 13
- Forum: 6.9L IH & 7.3L IDI Diesels
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85 6.9 no crank no start rpms pegged to max
About 90% positive it's your voltage regulator. Exact same thing just happened on my 86 6.9 and it was the vr. Bought a new one from summit for 33 dollars.- Stu Bailey
- Post #5
- Forum: 6.9L IH & 7.3L IDI Diesels
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6.9 idi voltage regulator location
Yeah so the fix was a bad voltage regulator. It was drawing 3.5A from the batteries when the old one was hooked up. I tested it with a parasitic draw test. Just hooked the meter up in series and when it was plugged in I had 3.5. When I unplugged it it was at 0. Bought a new Motorcraft regulator...- Stu Bailey
- Post #18
- Forum: 6.9L IH & 7.3L IDI Diesels
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6.9 idi voltage regulator location
New voltage regulator in and she runs great again. Thanks for the help amigos.- Stu Bailey
- Post #14
- Forum: 6.9L IH & 7.3L IDI Diesels
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6.9 idi voltage regulator location
Right on guys. Thanks for all the help. I ordered a Motorcraft VR, should be here in a few days. I'll hopefully be back on with the reply of it works and is back on the road chewing asphalt. Merry Christmas ya'll.- Stu Bailey
- Post #11
- Forum: 6.9L IH & 7.3L IDI Diesels
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6.9 idi voltage regulator location
Thanks partner.- Stu Bailey
- Post #7
- Forum: 6.9L IH & 7.3L IDI Diesels
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6.9 idi voltage regulator location
The alternator is cold but that's because it is cold outside and the truck hasn't ran since yesterday.- Stu Bailey
- Post #5
- Forum: 6.9L IH & 7.3L IDI Diesels
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6.9 idi voltage regulator location
Can't start the truck till I recharge the batteries since they are dead. The alternator is brand new though, only have 30 minutes run time on it. Found the regulator easily, just wandering now if there is anything that can be draining the batteries to dead in one night other than fuses... Only...- Stu Bailey
- Post #4
- Forum: 6.9L IH & 7.3L IDI Diesels
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6.9 idi voltage regulator location
Just went out to the truck and batteries are completely dead after being at full charge, sitting at 2 volts. When the alternator is hooked up and the batteries are as well, there is what appears to be a 3.5 amp draw from somewhere during draw test. I pulled all fuses and nothing showed.- Stu Bailey
- Post #2
- Forum: 6.9L IH & 7.3L IDI Diesels
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6.9 idi voltage regulator location
Hey ya'll. First post, new to the forum, new to the diesel world. Bought a super clean 86 6.9 last year in October. Bought her out of Oregon and had her shipped to Alaska, then drove her all the way to Los Angeles and then to New Jersey with no problems. Having a hard time with keeping her...- Stu Bailey
- Thread
- Replies: 17
- Forum: 6.9L IH & 7.3L IDI Diesels
