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need a quick answer if possible, have an error code

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Old 08-20-2002, 05:32 PM
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Craggy Old Man
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Default need a quick answer if possible, have an error code

17521-02S B1 S1
Internal Resistance too High 35-10 intermittant

Any help would greatly be appreciated
Old 08-20-2002, 05:36 PM
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Which control module?
Old 08-20-2002, 05:42 PM
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ECU
Old 08-20-2002, 05:43 PM
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bad o2 sensor?? will this cause decrease of power?
Old 08-20-2002, 06:33 PM
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Default Yes, failing O2 sensor...

I've got the same code (except other bank as I recall); dealer ordered a new sensor.
Old 08-20-2002, 07:07 PM
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Thanks
Old 08-20-2002, 08:30 PM
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It's your sensor
Old 08-20-2002, 08:59 PM
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Default why do these fail? and how often? If I'm at 50k and doing turbo work, should I replace them

before they break? or just wait?
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