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Jeep Wrangler YJ
YJ General Discussion
4.2 Timing and Emissions
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<blockquote data-quote="Gilaguy23" data-source="post: 436424" data-attributes="member: 19498"><p>The carbs are notoriously problematic. Been a while since my last CJ/258 but IIRC the mixture is controlled by a stepper motor which can go south. GM used a similar deal on the quadrajets and in my experience they sucked. Most guys do the "nutter bypass" but I dont think its smog legal. Keep in mind a rich engine will eventually damage the cat from unburnt fuel entering it. I really cant speak to any of the rebuilds as far as carbs go, so maybe its time for that FI swap.</p></blockquote><p></p>
[QUOTE="Gilaguy23, post: 436424, member: 19498"] The carbs are notoriously problematic. Been a while since my last CJ/258 but IIRC the mixture is controlled by a stepper motor which can go south. GM used a similar deal on the quadrajets and in my experience they sucked. Most guys do the "nutter bypass" but I dont think its smog legal. Keep in mind a rich engine will eventually damage the cat from unburnt fuel entering it. I really cant speak to any of the rebuilds as far as carbs go, so maybe its time for that FI swap. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
4.2 Timing and Emissions
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