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2004 explorer 4.0
Posted to Technical Discussion Forum on 7/29/2010 11 Replies

Vehicle came in for check engine light on. Codes gathered was P0133 HO2S11 Circuit slow response and P0153 HO2S21 circuit slow response. I have checked for exhaust leaks and none were found. I have a question, is it wise to replaced just the front O2 sensors ... Login to read more.

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car Vehicle Data

2004 Ford Explorer XLT 4.0L

1FMDU73K24
Engine4.0 L
Trans5-speed Automatic (Electronic)

car Vehicle Data

2004 Ford Explorer XLT 4.0L

1FMDU73K24
Engine4.0 L
Trans5-speed Automatic (Electronic)