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B1S2 NTK Sensor Failure After 3 Weeks - What's the Chance?

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Old 07-20-2019 | 04:50 PM
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From: Connecticut
Year: 2000
Model: Cherokee (XJ)
Engine: 4.0
Default B1S2 NTK Sensor Failure After 3 Weeks - What's the Chance?

The answer, of course, is "none".

Wiring harness connector going into the oxygen sensor connector:



giving signal



CH1 = B1S1
CH2 = B1S2
CH3 = B2S1
CH4 = B2S2





Last edited by Dave51; 07-20-2019 at 04:53 PM.
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OldTires (07-23-2019)
Old 07-20-2019 | 04:53 PM
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Year: 2000
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BTW this was covered by the wire loom, so beware! Wire loom plastic doesn't make the harness bulletproof!
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PatHenry (07-22-2019)
Old 07-22-2019 | 01:32 PM
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From: Groton, MA
Year: 1995
Model: Cherokee(XJ)
Engine: I6 4.0L
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Just another reminder that on a 20 year old vehicle, you gotta check the wiring before loading the parts cannon!

Thanks Dave!
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Dave51 (07-23-2019)
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