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View Full Version : All my wide bands shutting off on high hp cars



minytrker
September 13th, 2013, 12:25 PM
I have a lm1,lm2, & the new lc2's all with serial cables. All of them are cutting off around 4500-5000 rpm's on 600+ hp cars on the dyno. I tried all new cables, new sensors, in tailpipe, in header, tried 12V power supply, all making no difference. Hooked serial to dyno and it cuts off also so its bot efi live. Has anyone else seen this before?

Have a AFX with ngk sensor thats never cutoff but cant get the analogs to match in efi live.