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Marisa

Marisa 3/30/2012

2002 Ford Escape XLT 6 Cyl 3.0L

Engine

Code 0136 oxygen sensor 2. How serious is it to fix?

Ck engine lite came on. Had someone run code checker. Came up w p0136. How serious is it to fix? Can I do it my self?

1 Answer


EG9 K20A3

EG9 K20A3 3/30/2012

A code P0136 may mean that one or more of the following has happened:

* Faulty O2 sensor leak in exhaust close to O2 sensor
* Short to voltage on O2 signal circuit
* Open in circuit resistance caused by corrosion in connector

Possible Solutions

* Replace the second oxygen sensor on bank 1
* Repair open or short in signal circuit
* Clean corrosion from connector

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