Cool 2004 4Runner Check Engine Light Codes 2023. Disconnecting the battery is one way to clear the dtc's as stick figure mentioned, however an easier way is to open up your fuse box behind your battery and remove the efi fuse for 1 min. Web this video shows how to troubleshoot and fix the check engine & vsc track lights on a 2005 toyota 4runner.
A p0031 dtc trouble code may be caused by one or more of the following: Web the p0031 and p0051 codes lead to a potential issue with the air fuel sensors in the car. If you already know why your check engine light went on and are ready to turn it back off, keep reading.
