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

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Jul 20, 2019 | 03:50 PM

Dave51

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CF Veteran

Joined: Jan 2017

Posts: 3,438

Likes: 417

From: Connecticut

Year: 2000

Model: Cherokee (XJ)

Engine: 4.0

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; Jul 20, 2019 at 03:53 PM.

Jul 20, 2019 | 03:53 PM

Dave51

Thread Starter

CF Veteran

Joined: Jan 2017

Posts: 3,438

Likes: 417

From: Connecticut

Year: 2000

Model: Cherokee (XJ)

Engine: 4.0

BTW this was covered by the wire loom, so beware! Wire loom plastic doesn't make the harness bulletproof!

Jul 22, 2019 | 12:32 PM

PatHenry

CF Veteran

Joined: Nov 2017

Posts: 3,700

Likes: 238

From: Groton, MA

Year: 1995

Model: Cherokee(XJ)

Engine: I6 4.0L

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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