Check Engine Light Turned On...

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Sep 20, 2008 | 08:18 PM

unique

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Freshman User

Joined: May 2006

Posts: 37

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Check Engine Light Turned On...

2001 Ford Explorer Sport Trac

its shooting me the code PO136
(Heated Oxygen Sensor ho2s Circuit Bank 1 Sensor 2)

wat could have caused this... how easily is it replaced... & around how much is the replacement sensor?

also.. wats the best place to buy it...

thanks!

Sep 21, 2008 | 12:48 PM

unique

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Joined: May 2006

Posts: 37

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bump need help!

Sep 21, 2008 | 10:31 PM

aquanaut20

Cargo Master

Joined: Aug 2003

Posts: 3,263

Likes: 92

From: BC Canada

Quote:

Originally Posted by unique

This relates to the O2 sensor after the CAT, it is not critical to the operation of the engine. First check the wiring, sometimes chafs or burns, Check the supply fuse for the sensor. The sensor screws out like a sparkplug, and the wire clips into a harness above tranny.
If it requires replacement, RockAuto have decent prices and will provide a discount to forum members.

Sep 22, 2008 | 05:01 AM

marragtop

Posting Guru

Joined: May 2002

Posts: 2,450

Likes: 2

From: Baltimore

You can also try resetting it to see if it comes back on. Sometimes they will throw a false code. If the light stays off and it runs ok, I wouldn't worry about it.

Sep 22, 2008 | 07:14 AM

unique

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Joined: May 2006

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hopefully your right marragtop --- i deleted the code 2 days ago and it hasnt came back up ---- thanks aqua... if it does happen to come back on ill give your advice a try.