2002 Toyota 4Runner 3.4L V6 with engine code P1135 after warm up is sputtering
The P1135 code is for the Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1, but I doubt the sensor will cause sputtering. You problably have other problems.
P1135 TOYOTA - Air/Fuel Ratio Sensor Heater Circuit Malfunction Bank 1 Sensor 1 Read more: https://www.autocodes.com/p1135_toyota.html
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