1997 - 2006 Expedition & Navigator 1997 - 2002 and 2003 - 2006 Ford Expedition and Lincoln Navigator Discussion

o2 sensor

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Aug 11, 2008 | 07:56 PM

#1

blackop

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o2 sensor

I have a 97 expy with the 5.4 motor it has 137k miles. I have owned it for the last four years and have never replaced the o2 sensors.Its not throwing any codes should I go ahead and replace them or wait for trouble codes. I was hoping to replace the cats and sensors at the same time.

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Old

Aug 11, 2008 | 11:31 PM

#2

alloro

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If it ain't broke...don't fix it.

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Old

Aug 12, 2008 | 06:20 AM

#3

projectSHO89

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Joined: Jan 2004

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From: St Louis

Quote:

Originally Posted by alloro

If it ain't broke...don't fix it.

...and if you have no evidence that they're "broke", then they're probably not broken and should be left alone.

Steve

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