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  1. YJ Wrangler Technical Forum
    My YJ has been hiccuping recently. It only hiccups when I'm in 5th gear on the interstate. Anytime I run about 2,000 RPM+ can be sure to expect a few hiccups along the way. When it jolts my shift light comes on and I lose about 100-250 RPM on the tach and then it returns to normal until the next...
  2. YJ Wrangler Technical Forum
    So when I first start my YJ for the day (4.2 w/ 32/36 weber), she jumps right up to 2000-2500 rpms and runs smooth for a few seconds and then starts to hiccup and become rough. Then when she is fully warmed the idle is nice n' low around 600-700 and smooth. No complaints about driveablilty or...
  3. XJ Cherokee Technical Forum
    I own a 1992 Jeep Cherokee Laredo, 2WD with the 4L engine and have been utterly astounded at how reliable and amazing this car has been over the years. I bought it used from original owners and will drive it to the ground before I consider anything else. At just over 205,000 miles I've only had...
  4. TJ Wrangler Technical Forum
    I have a 2000 Wrangler with 4.0L and 5-speed. Every once in a while, maybe twice per week, the engine hiccups. I might be idling, accelerating or cruising at speed. If idling, the RPMs drop like it is going to stall but then immediately returns to idle speed. If I’m accelerating or cruising...
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