Hey Guys I keep getting a P0300 code coming up. This code was happening a lot when the cupler was loose or came off but after putting on the new clamps that code stopped until yesterday. I was driving in the back roads having fun and boom the check engine light came on. I checked the clamps and they are holding and the Z is running great with consistent boost. Here is a screenshot of what it could be. I really think there might be a small leak in the cupler. I’m taking the car to the shop on Tuesday to take off the resonators and then the tune and Dyno on Thursday. Also I have to stick with the stock cats because of my stillen supercharger. They said the HFC will create way to much heat and test pipes were also a no go. I’m looking for a cat-back exhaust that sounds great without the aid of HFC, test pipes or headers. I got to stick with the stock cats. Thanks everyone for the input.
P0300 NISSAN - Cylinder Misfire Detected Random Cylinders
Possible causes
Faulty spark plug (s)
Faulty ignition coil (s)
Clogged or faulty fuel injector (s)
Intake air leak
Fuel injectors harness is open or shorted
Fuel Injectors circuit poor electrical connection
Ignition coils harness is open or shorted
Ignition coils circuit poor electrical connection
Insufficient cylinders compression
Incorrect fuel pressure
Last edited by cadoo; 06-03-2018 at 12:42 PM.
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