P0301 cannot find the cause

SouthArk370Z · 02-12-2019, 08:20 PM

Quote:

Originally Posted by Jrod

Even though I swapped it another cylinder and the misfire didnt change cylinders?

If the injectors weren't swapped for long (ie, not long enough for #2 plug to foul) and the #1 plug had already begun to foul when you swapped, you might get your symptoms.

If they are the original injectors, I'd say it's worth a try to put a new one in #1. And put a new plug in #1 - might want to inspect #2.

Quicksilvers · 02-13-2019, 12:08 AM

Looks like your fuel injector/s need to be replaced not a cheap fix. Also I would replace your spark plugs at the same time if you had a misfire and your coils inspected and tested. Nissan highly recommends only using top tier gasoline like Chevron or Texaco gasoline with Techron in all Nissan and Infiniti models and you should be using gasoline with a 91+ octane rating FYI.

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02-13-2019, 12:08 AM	#2 (permalink)
Quicksilvers A True Z Fanatic Join Date: May 2017 Location: Atlanta, GA Posts: 2,038 Drives: 2017 370z Rep Power: 25465	Looks like your fuel injector/s need to be replaced not a cheap fix. Also I would replace your spark plugs at the same time if you had a misfire and your coils inspected and tested. Nissan highly recommends only using top tier gasoline like Chevron or Texaco gasoline with Techron in all Nissan and Infiniti models and you should be using gasoline with a 91+ octane rating FYI.