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  1. TJ Jeep Wrangler OEM Forum
    I’m new to the forum and the TJ world. I recently purchased a 98 TJ with the 4.0 I6 with 145k Original miles. I’ve noticed a small amount of smoke while accelerating. It doesn’t smoke on startup and doesn’t smoke at idle. My research has led me to believe the culprit is most likely a valve stem...
    4.0 6cyl 98' tj
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