Questions & Answers for: Nissan Xterra a61tt2 overtemp

got a code of PO 217 (engine overtemp condition) and a code of PO328 (knock sensor 1) i need help did you ever get this fixed?

I have a ingine overtemp condition po217 code. How do I fix this problem? Need to check the engine coolant see the condition of the radiatorand change the engine thermostat