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3.0 duramax problem

ullose272
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ullose272 Enthusiast

ullose272

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Just had my first issue with my truck. Was pulling my trailer for about 2 hours 2000 lbs maybe, and noticed it was cutting out a little here and there. Came to a stop, sat there idleing for maybe 5 min. Then went to go again, all of a sudden, servce ESC light, service park brake light, and service emision system light, reduced power and was cutting out really bad and really bad shudder feeling. Ideas?

 

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ullose272
ullose272

Just picked up the truck, seems to be running good. Happy to have my truck back Sent from my SM-G973U using Tapatalk

ullose272
ullose272

Picked up the truck today, drove about 5 miles and it did the same thing, took it back. [emoji2959] Sent from my SM-G973U using Tapatalk

gr8almty1
gr8almty1

2020 1500 Diesel engine...any known problems before buying??? https://r.tapatalk.com/shareLink/topic?share_fid=33003&share_tid=242811&url=https://www.gm-trucks.com/forums/index.php?/topic/242

econometrics Senior Enthusiast

econometrics

Posted
Posted

Sounds very similar to what happened to this guy: 

 

 

He got a buyback out of it. Hope it gets addressed accurately for you, OP. 

ullose272 Enthusiast

ullose272

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Sounds very similar to what happened to this guy: 
 
 
He got a buyback out of it. Hope it gets addressed accurately for you, OP. 
Too bad it didnt say what the issue was

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spizike9 Enthusiast

spizike9

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13 hours ago, ullose272 said:

Truck seems to be fixed. Supposedly a connector issue, kinda makes sense

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Hopefully that’s the case. Keep us posted going forward. 

ullose272 Enthusiast

ullose272

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Its not fixed, was fine all week, pulled my small trailer to my cabin and it started doing it again. I disconnected and reconnected the ecu plugs and kind move the wiring around a little and went and drove it and it seems fine now. I think it has to do with extra load on the engine and twisting in the chassis causing it to pull on wires or short out.

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jnissen Enthusiast

jnissen

Posted
Posted

There were reports of fuse blocks not being properly tightened down. Perhaps your root cause is related? Several guys with gas motors are reporting inability to restart. Seems to be electrical related.

ullose272 Enthusiast

ullose272

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Pulling the trailer home it stsrted doing it again, my thoughts are, when its under more load the engine is twisting causing a short or something. Seems to get worse after/while pulling a grade.

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spizike9 Enthusiast

spizike9

Posted
Posted
2 hours ago, ullose272 said:

Your tellin me

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Dang man, I’m sorry. I’m sure it’s so disappointing to spend that kind of money and deal with these problems non stop. 

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