Because your compression test showed fairly good numbers it might be carbon build up on the valve that's. Was throwing 301 code before and after plug change The misfire can be caused by issues such as a faulty spark plug, ignition coil, fuel injector, vacuum leak, or low.
Subaru Impreza Spark Plug Replacement Guide (2016-2024) | Go-Parts.com
Get a clear, systematic guide to diagnosing engine misfire code p0301
Follow the logical steps to find the root cause and repair it.
The list of potential causes for a p0301 code is rather lengthy, yet are almost all rooted in a. Measure 12v between supply and ground and getting a 40ish hz reading on signal cable, pull the plug and it sparks. Start by inspecting and replacing spark plugs, checking and testing ignition coils, ensuring proper fuel injector operation, and. Okay, turning to the real subaru gurus cause the shop that specializes in fixing and tuning subarus couldn't figure it out.
Today we'll going over a number of steps regarding the dreaded misfire code In this video, we break down the most common causes behind subaru code p0302,. How to fix a p0301 code Cylinder 1 misfire detected amazon link spark inline tester tool.
Wrong, worn or incorrectly gapped spark plugs
