This truck has a recurring code P1605. The local Toyota dealer agreed to warranty the head gaskets at no cost and replace the knock sensors at the same time. The code came right back, so customer replaced ECM with used, same code. I read 1 post in the archives...

FIX posted 2/19/2003

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle