1.0FreeAutoMechanic Advicehttps://www.freeautomechanic.com/mechanic/forumAngela Elmer Yaddowhttps://www.freeautomechanic.com/mechanic/forum/author/angela-elmer-yaddow2000 GMC Jimmy Jerksrich600338<blockquote class="wp-embedded-content" data-secret="PmmCVH57OZ"><a href="https://www.freeautomechanic.com/mechanic/forum/2016/10/2000-gmc-jimmy-jerks">2000 GMC Jimmy Jerks</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.freeautomechanic.com/mechanic/forum/2016/10/2000-gmc-jimmy-jerks/embed#?secret=PmmCVH57OZ" width="600" height="338" title="“2000 GMC Jimmy Jerks” — FreeAutoMechanic Advice" data-secret="PmmCVH57OZ" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
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Jerks and rpms jump when accelerating .when on cruise does same when it inclines RESPONSE Sounds like the transmission is downshifting. If the RPMs increase and the vehicles speed does not increase, this would indicate the transmission is slipping. Transmission Troubleshooting//www.freeautomechanic.com/mechanic/forum/wp-content/uploads/2015/12/2003-gmc-jimmy.jpg