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Jeep Wrangler YJ
YJ General Discussion
Intermittent miss
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<blockquote data-quote="machoheadgames" data-source="post: 430533" data-attributes="member: 18789"><p>I've heard bosch is no good for O2 sensors, at least on the TJs, but I find that shocking. I personally have used NGK and Mopar and both ran the same. NGK came with some super long wiring though, which I didn't really have the tools to nicely shorten the wire (without using butt crimps or solder) way back when, so I eventually got a Mopar. I believe those are all gone but I think the long wiring on the NGK is so that it fits the long length for the 2.5 so they can market the part to fit both engines. 4.0s need the wiring to be shorter which is why it was too long.</p><p></p><p>It's just a standard 4-pin weatherpack so in this day and age, if I needed a sensor, I would buy the NGK and shorten the wiring myself by recrimping WP pins to the proper length.</p><p></p><p>Maybe try the NGK, worst case it does nothing and you just return it or keep as a spare.</p></blockquote><p></p>
[QUOTE="machoheadgames, post: 430533, member: 18789"] I've heard bosch is no good for O2 sensors, at least on the TJs, but I find that shocking. I personally have used NGK and Mopar and both ran the same. NGK came with some super long wiring though, which I didn't really have the tools to nicely shorten the wire (without using butt crimps or solder) way back when, so I eventually got a Mopar. I believe those are all gone but I think the long wiring on the NGK is so that it fits the long length for the 2.5 so they can market the part to fit both engines. 4.0s need the wiring to be shorter which is why it was too long. It's just a standard 4-pin weatherpack so in this day and age, if I needed a sensor, I would buy the NGK and shorten the wiring myself by recrimping WP pins to the proper length. Maybe try the NGK, worst case it does nothing and you just return it or keep as a spare. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Intermittent miss
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