MerloZ Posted April 30, 2020 Share Posted April 30, 2020 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. Quote Link to comment Share on other sites More sharing options...
calZ Posted April 30, 2020 Share Posted April 30, 2020 Your logs say that it's cutting ground or you just measured that at the relay? If it's the latter it could be a wiring problem rather than the ECU. Quote Link to comment Share on other sites More sharing options...
MerloZ Posted May 17, 2020 Author Share Posted May 17, 2020 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. Quote Link to comment Share on other sites More sharing options...
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