Shut off while driving will not start?

Tiny
HGWK
  • MEMBER
  • 2016 DODGE RAM
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 150,000 MILES
The truck listed above is a 1500. The vehicle shut off while driving and this message on the screen appeared" service electronic throttle control" the new throttle body was installed and still no start. There are five diagnostic codes still present even after deleting them they are still coming back; they are included in a picture that I attached along with the message that appears on the screen. I have tested for spark fuel and compression, and I have all three. I believe that the new throttle needs to be programmed but should the engine still start regardless, or will it not start at all without the new throttle body being programmed? I also did the visual check, and it doesn't seem like there's any vacuum leaks or loose hoses or wiring? Please let me know what you think. Thanks
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Monday, June 30th, 2025 AT 11:41 AM

8 Replies

Tiny
HGWK
  • MEMBER
  • 51 POSTS
Also the flap to the new throttle body is moving so it does get power and the original milage on the vehicle is 460,000 but the engine and transmission were replaced with about 150,000 on the replacement unit. Also, a new fuel pump was put in recently.
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Monday, June 30th, 2025 AT 11:50 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,138 POSTS
Can I ask what the compression was, (about)? Since the throttle is opening is should run, let's test the fuel injector pulse, also you can start starting fluid to help determine if it is a fuel issue. Here is a guide to help test for injector pulse:

https://www.2carpros.com/articles/how-to-test-a-fuel-injector

Use a teat light and probe the positive side for power and then put the test light on power to test the injector pulse while the engine is cranking over. Please go over this guide and get back to us.
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Monday, June 30th, 2025 AT 3:24 PM
Tiny
HGWK
  • MEMBER
  • 51 POSTS
Yes I just got done spraying started fluid directly into the throttle with no avail. I only tested one cylinder on each side of the engine I got between 60-90 PSI I know that's borderline but with the car cranking only by a starter I think that's sufficient to determine that it has compression, it should have at least be running rough if anything. I can test the injectors next.
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Monday, June 30th, 2025 AT 4:23 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,138 POSTS
No need, the camshaft is off time, or the engine is worn out, this is your problem. The engine should have 145 PSI at minimum.
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Monday, June 30th, 2025 AT 5:41 PM
Tiny
HGWK
  • MEMBER
  • 51 POSTS
That's what I was afraid of, I thought maybe because it's cranking off of battery it's not being able to produce that pressure but it's a new battery and it's cranking strong so yes, I agree you should have better compression. Thanks
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Monday, June 30th, 2025 AT 7:04 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,138 POSTS
No problem, if you want to try and fix it, I believe it needs timing chains, camshaft phasers and guides we can help you step by step.
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Tuesday, July 1st, 2025 AT 6:18 PM
Tiny
HGWK
  • MEMBER
  • 51 POSTS
It's for a friend, he's putting a new unit in. Thank you for your help.
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Tuesday, July 1st, 2025 AT 7:56 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,138 POSTS
Sometimes that is best, thanks for letting us know, we are here to help, please use 2CarPros anytime.
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Wednesday, July 2nd, 2025 AT 10:18 AM

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