u/Tbonewon

1998 Nissan Pathfinder
SE Sport Utility 4-Door
3.3L 3275CC V6 GAS SOHC Naturally Aspirated
So originally i had a map sensor code, map sensor code was replaced in july of 2025. Foward to today i was getting rough idling when id stop at red lights and it would only idle rough when the engine would be hot
I replaced the pcv valve and cleared the codes, 20 minutes in the test drive it was smooth no issues and dew minutes later i get a check engine light and i get 2 codes a p0300 code the misfire and then the map sensor code, please help.

u/Tbonewon — 12 days ago