Quote:
Originally Posted by wolfcyn
So my Z has been down for about a month now, and I can’t seem to figure out why the car all of a sudden quit on me. One night i went to the store with a friend and the car drove fine all the way there. Once we went in and got what we needed, we came back outside and the car didn’t want to start. Ended up towing it to a friend’s house and changed out the camshaft position sensor in bank 1. Car ran fine for about a week and a half, and decided not to start back up again one night. Changed out the camshaft position sensor in bank 2 and the car started, but the RPMs would drop and shoot back up to normal idle every couple of seconds. Shut the car off and it wouldn’t start back up. Changed the crankshaft position sensor, but the car still wont start. All of the fuses are still good, fueling is good, but the car is getting no spark for some odd reason. The coil packs have good voltage but the engine is still not getting spark. i have a 2016 370z Touring with almost 41K miles. Mods consist of: Stillen Gen 3 Intake, Megan Racing Test Pipes, muffler delete, and UpRev Tune. Any help would be highly appreciated
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Crank and no start is 95% of the time the crankshaft sensor or the wires leading to it. It sounds like the wires got too close to the test pipes and have melted, since the sensor itself is on the rear of the engine, near the starter. Crawl under the car with a good light and you'll probably find the problem quickly.