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Jeep Wrangler YJ
YJ General Discussion
Intermittent miss
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<blockquote data-quote="machoheadgames" data-source="post: 430550" data-attributes="member: 18789"><p>I've mostly heard stay away from their O2s and plugs, but I've never heard really any factual info or personal experience stories so I've always taken that recommendation with a grain of salt. There are also plenty of good reviews on the YJ Bosch O2 sensor, so it's not always bad I guess.</p><p></p><p>I've also heard that Bosch is great for other things, especially fuel pumps and injectors. And many of the YJs actually used a Bosch fuel pump from the factory (not sure if mine was Bosch or Walbro but it was still perfectly working when I removed it).</p><p></p><p>For plugs, after trying the fancy Iridium plugs, I'm back to stock champion coppers. I used to run the fancy ones with the hope of running them longer but really that is a waste of time and not helpful. Better to just change the coppers at their intervals since it gives you a reason to see their condition and the operation of the engine at each cyl. Not like changing spark plugs every 50K is really that big of a deal, it takes maybe 45 min to an hour working really slow.</p></blockquote><p></p>
[QUOTE="machoheadgames, post: 430550, member: 18789"] I've mostly heard stay away from their O2s and plugs, but I've never heard really any factual info or personal experience stories so I've always taken that recommendation with a grain of salt. There are also plenty of good reviews on the YJ Bosch O2 sensor, so it's not always bad I guess. I've also heard that Bosch is great for other things, especially fuel pumps and injectors. And many of the YJs actually used a Bosch fuel pump from the factory (not sure if mine was Bosch or Walbro but it was still perfectly working when I removed it). For plugs, after trying the fancy Iridium plugs, I'm back to stock champion coppers. I used to run the fancy ones with the hope of running them longer but really that is a waste of time and not helpful. Better to just change the coppers at their intervals since it gives you a reason to see their condition and the operation of the engine at each cyl. Not like changing spark plugs every 50K is really that big of a deal, it takes maybe 45 min to an hour working really slow. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Intermittent miss
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