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Jeep Wrangler JK
JK General Discussion
I’m going broke and insane (and need help diagnosing my Jeep)
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<blockquote data-quote="BLACKJKU" data-source="post: 447984" data-attributes="member: 18221"><p>You just need a GPS, most cell phones you can get a GPS app then just go for a ride to at least 55 and check both readings. There are numerous ways to recalibrate your speedometer. </p><p></p><p>I used my Hypertec tuner, J scan or other dongles.</p></blockquote><p></p>
[QUOTE="BLACKJKU, post: 447984, member: 18221"] You just need a GPS, most cell phones you can get a GPS app then just go for a ride to at least 55 and check both readings. There are numerous ways to recalibrate your speedometer. I used my Hypertec tuner, J scan or other dongles. [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
I’m going broke and insane (and need help diagnosing my Jeep)
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