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Jeep Wrangler YJ
YJ General Discussion
Loss of power when off-road
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<blockquote data-quote="ajoyce09" data-source="post: 437968" data-attributes="member: 20939"><p>I have a 1988 YJ 4cylinder 5 speed. I can drive on paved roads without issue for over an hour, but when I take the jeep off-road and get bouncing around staying mostly in first and second gear, in about 15-20 minutes it starts losing power, bogging down and will eventually die altogether—almost like it’s in limp mode. On paved roads it will do the same thing but it takes much longer—can usually run for about an hour before bogging down. </p><p></p><p>If I let it sit for about 45 minutes everything goes back to normal for a while. </p><p></p><p>My initial thought was a restriction in the exhaust, maybe a plugged cat, but I have not cut it out yet. I have done a new fuel filter, plugs and oxygen sensor so far. </p><p></p><p>Any help would be greatly appreciated</p></blockquote><p></p>
[QUOTE="ajoyce09, post: 437968, member: 20939"] I have a 1988 YJ 4cylinder 5 speed. I can drive on paved roads without issue for over an hour, but when I take the jeep off-road and get bouncing around staying mostly in first and second gear, in about 15-20 minutes it starts losing power, bogging down and will eventually die altogether—almost like it’s in limp mode. On paved roads it will do the same thing but it takes much longer—can usually run for about an hour before bogging down. If I let it sit for about 45 minutes everything goes back to normal for a while. My initial thought was a restriction in the exhaust, maybe a plugged cat, but I have not cut it out yet. I have done a new fuel filter, plugs and oxygen sensor so far. Any help would be greatly appreciated [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Loss of power when off-road
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