P1135 2001 Toyota Camry -

Question

Check engine comes on and off randomly . Codes is p1135

Answer 1

P1135 A / F (airflow) sensor heater circuit malfunction

On and Off randomly with the CK ENG LT. This is a good indication the heater circuit has a short to power internal of the A/F sensor or a open in the heater circuit, This code condition occurs when the A/F is at its end of its useful life.