Description: Diesel Engine Water Temperature; Fuel Temperature; Water Temperature (FOR E.F.I.). Engine Coolant Temperature Sensor - Repair or Replace If your Engine coolant temperature sensor has failed, you may notice one of several symptoms: your temperature gauge doesn???t move, your Engine overheats w/o warning, your radiator fans don???t switch on, or they don???t switch off. If your Toyota has any of these symptoms, it's a good idea to let a trained Toyota technician perform an inspection.

Description: Knock Sensor - Repair or Replace A failed Knock Sensor will often have no noticeable symptoms beyond a check Engine light or Engine ping or knock, but it does cause your Toyota to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Toyota genuine parts.