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2002 O2 Oxygen Sensor

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Old Apr 10, 2005 | 12:53 AM
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mikewo
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Exclamation 2002 O2 Oxygen Sensor

2002 Explorer, 108,000 miles. Thought I would install new O2 sensors (slightly rough idle).

Well, replaced both front sensors. One side (bank) kept coming up with "slow response code" after 2 to 5 days of driving. Went through 4 Bosch replacement sensors before gave up. Put motocraft O2 in, no codes, idles much smoother. Still have one bosch in on bank2, will replace with motocraft and return the bosch for refund.
 
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