370zzz Posted April 4 Posted April 4 Hi! Very new to this so I hope I haven’t put this in the wrong section, I’ve recently purchased a 370z that was ecutek tuned to have overrun past 4k revs, after abit of spirited driving it started to burble and pop after 4k revs but the CEL was flashing for a few seconds. After that it never came on, no ECU codes on the OBD, no loss of power or unusual noise from the engine that would indicate misfire or anything. Runs smooth. I know the point of an overrun tune is to cause a slight misfire for the excess fuel but stressing slightly, Am I okay? Was the CEL flash due to the overrun and or there actually a problem? Turned the overrun tune off straight away😂 Quote
Keith D Posted April 5 Posted April 5 You're stressing. The code that bought the MIL on should be in memory. Ecutek has a code reader (I've never tried it as I have a Topdon OBD2 scanner) so you should be able to confirm the reason. Quote
dave_7 Posted April 7 Posted April 7 Ecutek flashes upon knock detection (flashes but doesn't stay lit after), ECU should pull timing to compensate. Don't be too worried unless it's happening a lot. If the light flashes then stays on then thats recorded a mis-fire. Quote
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