Help with Misfire Code!
 

Hello All,

I have a 2011 2.0 Sentra base model with 130k miles on it. My wife and I have owned it since brand new from the dealer in 2011...we're the only owners. We have always maintained service and oil changes.

It has a service engine soon light with code p0302 for cylinder 2 misfire.

In trying to fix the issue I have replaced the spark plugs, the fuel injectors, the coils, the valve cover gaskets, the intake gaskets, the PCV valve, and I have checked the wiring and the connectors for the cylinder 2 coils and injectors using pins and a continuity tester.

The car is not misfiring at all and has always run great. The engine sounds and feels strong and steady. I drive the car hundreds of miles per week.

The last thing I changed was the injectors which cleared the permanent p0302 code out of the odb2 system for just long enough to pass smog but the pesky service engine soon light is back with the same code! I don't understand why after swappimg on so many new parts.

Please help. How do I get rid of this cylinder to misfire P0302 service code?

Thank you!