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Chevrolet Express
Platform: GMT Van

Engine shut down on freeway.

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Old Sep 5, 2024 | 6:32 PM
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Jamboree 07's Avatar
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Default Engine shut down on freeway.

Hi
In my 2007 Express Van 3500 with no warning going 60 mph the engine shut down. While I was coasting with no brakes I put it in neutral and it started right up. This happened once before when I was backing up and it shut down and started right up again. Now I am nervous about driving it and looking for any advice.
Thank you
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Old Sep 5, 2024 | 8:45 PM
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Any lights on the dash? Any trouble codes? Did it hesitate or stumble beforehand?

Maybe something is grounding or shorting out causing it to quit?

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Old Sep 5, 2024 | 8:56 PM
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Hi
no lights, no code and no hesitation. No loss of power before. Engine just stopped
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Old Sep 5, 2024 | 8:58 PM
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After shifting to neutral it started right up while still moving 40 mph.
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Old Sep 7, 2024 | 9:28 PM
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Originally Posted by Jamboree 07
Hi
no lights, no code and no hesitation. No loss of power before. Engine just stopped
I would check your ignition switch wiring. That sounds like something is disconnecting or grounding out intermittently. Maybe something is messed up near the ECU?
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Old Sep 8, 2024 | 1:05 PM
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Hi
I bought a OBD 2 to check any trouble codes. There were none to be found. I will check the ground, but if it was a ground I would think it would be happening more often. I will try to see if there are any loose wires on the ignition switch.

Thanks
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