Questions tagged [p0136]

Oxygen O2 Sensor Circuit Low Voltage (Bank 1, Sensor 2)

1 question with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
2
votes
1answer
31 views

1998 4Runner 2.7 P0136- What should the post cat O2 sensor waveform look like?

I have a P0136 on my 1998 4Runner 2.7 3RZ-FE. It uses both narrow band sensors (pre cat and post cat) Looking at the waveform of the post cat sensor, often upon acceleration it drops to 0 volts. ...