× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P0301 Diagnostic Trouble Code Discussion for September 2020

Cylinder 1 Misfire Detected


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0301
Help Request Posted
2016 Volvo XC90 T6 Inscription 2.0L Misfire VIN: YV4A22PL1G
P0301: Misfire. Have a 2017 xc90- car intro with po301 and po171 , we replace cyl#1 coil and plug also leak code given , we replace oil trap also. Car at cold start only runs rough until car warms up to operation temperture- need direction for current issue after these tw...
September 05, 2020
2003 Subaru Baja 2.5L Excessive Emissions, Poor Idle Quality, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 4S4BT61CX3
P0301: Cylinder 1 Misfire Detected. I HAVE A REAL PUZZLER HERE, THANKS FOR HELPING ME OUT. THIS IS ONLY THE SECOND TIME WE HAVE SEN THIS CAR, ONCE FOR AN ENGINE AND NOW FOR THIS RUNABILITY ISSUE. THIS CAR STARTS AND RUNS LIKE A TOP UNTIL IT GOES INTO CLOSED LOOP. AFTER THAT, IT STARTS TO RUN...
September 30, 2020