TwinTurbo.NET: Nissan 300ZX forum - Help....Car running rich/very rough
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Subject Help....Car running rich/very rough
     
Posted by wrxfl on June 16, 2008 at 3:24 PM
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Message Hey all....I just recently got my turbos replaced and some faulty wiring in my harness replaced and am now having a number of problems. The car seemed to be running fine after the job, a bit rich but still sounding cruising normally. After a few days, however, the car cut out on me completely. The culprit was apparently a dead optima battery i purchased 2 years ago. From this point i replaced the battery and the car started up fine but sounded like it had the famous subaru "boxer rumble" obviously a bad thing and I assumed the car was not running on all cylinders. After listening to the car, I have come to the conclusion that the car seems to be running incredibly rich and is stumbling/breaking up giving it the weird sound. I have had a number of peculiar crank angle sensor failures in the past but I am not sure this time if the CAS is the issue. I am starting to think that it could be a coil pack, that my ecu somehow shorted in some way during the electrical fiasco that killed my battery, perhaps i have a faulty injector or maybe even have lost all compression in one of my cylinders. I am having the car towed back to the nissan dealership where the work was done today....any ideas/ suggestions on where to check?

     
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