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Jeep Wrangler YJ
YJ General Discussion
88 Sahara I6 - Odd RPM Issue
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<blockquote data-quote="Alphasig83" data-source="post: 439494" data-attributes="member: 20128"><p>Hey all, I have an odd problem that has me scratching my head... I have a stock 1988 6cyl. Carbureted Wrangler with 10,000 original miles on it. Original carburetor. Most items on the unit are factory original for context... I'm also keeping this unit 100% stock as it is such a cool timepiece.</p><p></p><p>The other day, I put a fuel cleaner in the gas tank when I filled up, and about a day after, I started to get a problem where the Jeep's RPM seemed like they were bogging down, and it got worse to the point where I would floor the pedal but only be able to get to about 3000 RPMs, and then the rig would stall out. Of course I first thought about the carb... I took off the carb and cleaned and rebuilt it (twice). I then bought a new carb of the same model (Carter) and put it on, and had the same issue. I have good, smooth idle at about 7-800 RPMs, responsive acceleration up to about 3000 RPMs, but nothing else. </p><p></p><p>I also thought this could be a transmission issue, but when I have the Jeep in park and attempt to rev the engine, I can only get to about 3k... </p><p></p><p>I have cleaned the fuel filter, confirmed the fuel pressure is good, and the fuel lines are clear. I'm thinking this could be some sensor issue... any thoughts??</p><p></p><p>Thanks in advance!</p></blockquote><p></p>
[QUOTE="Alphasig83, post: 439494, member: 20128"] Hey all, I have an odd problem that has me scratching my head... I have a stock 1988 6cyl. Carbureted Wrangler with 10,000 original miles on it. Original carburetor. Most items on the unit are factory original for context... I'm also keeping this unit 100% stock as it is such a cool timepiece. The other day, I put a fuel cleaner in the gas tank when I filled up, and about a day after, I started to get a problem where the Jeep's RPM seemed like they were bogging down, and it got worse to the point where I would floor the pedal but only be able to get to about 3000 RPMs, and then the rig would stall out. Of course I first thought about the carb... I took off the carb and cleaned and rebuilt it (twice). I then bought a new carb of the same model (Carter) and put it on, and had the same issue. I have good, smooth idle at about 7-800 RPMs, responsive acceleration up to about 3000 RPMs, but nothing else. I also thought this could be a transmission issue, but when I have the Jeep in park and attempt to rev the engine, I can only get to about 3k... I have cleaned the fuel filter, confirmed the fuel pressure is good, and the fuel lines are clear. I'm thinking this could be some sensor issue... any thoughts?? Thanks in advance! [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
88 Sahara I6 - Odd RPM Issue
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