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Seeking help to interpret data log - c7 z06 misfire
Hi, hoping that someone could help me read this datalog? This is the first log I’ve ever read. C7 z06 (manual) is having a p0300. Low mileage. Brand new engine due to lifter failure. p0300 was happening before and now after engine failure. It started directly after I had a water pump, pulleys, tensioners, and belt replaced before the engine replacement.
It seems like o2 sensors could be the problem from my understanding of these charts? Not sure though. Towards end of chart I turned the car off and then back on. 20 minute drive, side streets, highway, side streets.
Please see the attached datalog, and misfire screenshots. Misfires Worse misfires o2 sensor test failed???
Last edited by Fuzzhead1506; May 23, 2024 at 11:20 PM.
Second log today. I’ve noticed oxygen sensor bank 1 sensor 1 and oxygen sensor bank 2 sensor 1 are dropping to 0 volts periodically while driving. Could this be indicative of the problem?
any help greatly appreciated
O2 bank 1 sensor 1 low voltage after starting car (already warm) and running mode 6 scan
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Seeking help to interpret data log - c7 z06 misfire
