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Jeep Wrangler JK
JK General Discussion
2015 JKU P0420
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<blockquote data-quote="BigAL07" data-source="post: 463975" data-attributes="member: 21619"><p>Downstream sensors shouldn’t bounce like the upstream for sure. If the cel light is pissin u off like it does me, slap some O2 spacers on it if you don’t have to deal with emissions testing. Code doesn’t necessarily mean cat is bad. Just under the threshold of what the pcm thinks it should be. Good luck<img class="smilie smilie--emoji" loading="lazy" alt="🍺" title="Beer mug :beer:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f37a.png" data-shortname=":beer:" /><img class="smilie smilie--emoji" loading="lazy" alt="🍺" title="Beer mug :beer:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f37a.png" data-shortname=":beer:" /></p></blockquote><p></p>
[QUOTE="BigAL07, post: 463975, member: 21619"] Downstream sensors shouldn’t bounce like the upstream for sure. If the cel light is pissin u off like it does me, slap some O2 spacers on it if you don’t have to deal with emissions testing. Code doesn’t necessarily mean cat is bad. Just under the threshold of what the pcm thinks it should be. Good luck🍺🍺 [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
2015 JKU P0420
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