1998 Ford Escort engine fault code PO136

Tiny
MAELBRIN
  • MEMBER
  • 1998 FORD ESCORT
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 13,985 MILES
I have a friend who used a handhend code reader to tell me that my service light is on because of a code PO 136. What does this signify and how do I go about to fix it?
Sunday, February 8th, 2009 AT 1:20 PM

1 Reply

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
P0136 Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)

Need to replace your bank 1, sensor 2 oxygen sensor , located on the exhaust system. Normally when this code is thrown, it may be a downstream oxygen sensor that has failed as well. Most vehicles have 2 or 3 O2 sensors so you should check your sensors before replacing them to ensure you are replacing the correct one. To learn how to check an oxygen sensor, follow the link below..

https://www.2carpros.com/how_to/how_to_test_oxygen_sensor.htm

Thanks for using 2CarPros.com!
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Sunday, February 8th, 2009 AT 1:54 PM

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