Question

How do I find the location of bad sensors, I have code p1130 on my 1999 Toyota Sienna?

Answer 1

Hi there,

This code is for the front O2 sensor on bank 1, also known as the af sensor it's just a O2 sensor with a few more wires. This is the sensor before the converter.

Answer 2

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