Question

how do you find the location of bad sensors, I have code p1130 & p1135 on a 2000 Toyota Avalon?

Answer 1

the will be in the back of the engine on the header (exhaust manifold), look at the picture below with the red arrow.

 

 

 

Answer 2

P1130 Toyota Code - Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 1 Sensor 1
Read more: https://www.autocodes.com/p1130_toyota.html

P1135 Toyota Code - Air/Fuel Ratio Sensor Heater Circuit Malfunction Bank 1 Sensor 1
Read more: https://www.autocodes.com/p1135_toyota.html