In diagnosing a 1994 Toyota 4Runner, one must perform a test to allow easy answers to direct the diagnostic path.
Feb. 18, 2014
To diagnose a 1994 Toyota 4Runner that failed a state emissions test for high N0x, a technician must follow the same testing logic of later OBD II vehicles and must verify converter operating and everything.else, according to an article in the February Professional Tool & Equipment News. Read how to proceed..
While every maintenance department is working to get trucks back on the road as quickly as possible, taking a bit more time to truly solve an issue, and not just patch it, will...
