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Brian Bonham (Brianbonham)
| Posted on Sunday, September 01, 2002 - 11:23 pm: |
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I finally got some useable codes from my 99 DII. It just hit 50k and the Service Engine Soon light came on. It threw codes P0171 and P0174, which are O2 sensor codes. Is it possible both went bad at the same time? Or were they tripped by the mileage? Thanks, Brian |
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Peter Carey (Pcarey)
| Posted on Monday, September 02, 2002 - 07:54 pm: |
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The O2 sensors wouldn't be "tripped" by mileage. It looks like from the codes you're running too lean in general. I'd say clear the codes and see if they come back soon. If so, then you might need to richen things a little. pwc |
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