Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
Customer brought in a 2003 infinity g35 for check engine light ran a scan and got a p0011 code when I went to check for sensor health I noticed the bolt was missing so put a new bolt and now the car don’t turn on at all
Is it a crank/no start now? Can you be more specific about what you mean by the car not turning on at all? Did it have a long crank time before installing the sensor bolt?
If I had to guess, I'd say the sensor is now working correctly with the bolt in, and the engine won't start due to a cam/crank sync issue. Nissan's are notoriously sensitive to sync issues. Rather than unbolting the sensor again, you can try unplugging it and see if it'll now start.
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