exvils wrote: ↑Mon Jul 22, 2019 5:25 pmSo, on Friday started hillclimb race day, car was on Friday on stock ecu (with MAF/cps/lambda) but did not had power and other racers told my driver that it sounded like it was on 4cyls. On Saturday there was qualification day, at 1st round car drove 4.04min lap with stock ecu, driver than swaped stock ecu for speeduino (disconnected maf/cps/lambdas) and car drove 1st 500meter of race like it was back with full power, then lost power (coils) for rest of track, still went 4 sec faster. . I came to race after this and started investigating what happened. Coils on cylinder 1 and 6 melted, also i think cyl nr.2 (and maybe 5) wasnt working (but coils were allright), so i opened case and found this
Any ideas what happened? Coil dwell was setup at 2.0ms. It was working for past 3 weeks, even broke LSD 2days before race while tunning at local airport. Tho i dont have any logs from race when it broke.
My view is different, and anything that can pull enough current to cause damage should be protected by fusing or other methods, 'smart' or not. Damaged wiring and connectors can be much more involved and expensive than repairing a PCB trace, so I'd protect whatever needs protecting and sleep better.
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