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L28et ms2 fuel pump ground cut while driving


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Just took the z out for the first time since fall and a few miles into my trip it cut the fuel pump ground and the car died in a really crappy spot. Luckily a cop helped me push it to a lot for me to figure it out. Jumped the fuel pump relay to get it home and now a day later it works fine.? This has happened once before? Any ideas what setting or physical problem could trigger the ecu to do that?. It cuts out and wont turn back on until the car sits for a day.

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  • 3 weeks later...

Didnt log it either times as it was so random dodnt have my laptop and by the time i have time to check it out its fixed. Tested with a test light but i doubt its a wire as its directly from the megasquirt with the purple wire in the diy harness. I actually think i checked it at the ecu also last tike it happened but that was a few years ago.

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