Question about 2004 Jeep Grand Cherokee

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My jeep stalls and bucks while driving. My RPM and gas guage decreases and then increases. Went to auto store no codes were found on machine. I do not want to put anymore money into the truck and I want to make sure what I need to do next.

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Mine did the same thing...after many different parts, it turned out to be the crankshaft sensor.

Posted on Oct 20, 2009

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I changed my plugs and coil pack on my jeep wrangler 2000 6 cylinder.
A few week later it would kill while driving. Change the normal things that would cause that to happen, the camshaft sensor,crankshaft sensor,idle position sensor.Still did the same thing. Even went as far as changing the computer. The same thing happened. Put it in 2 mechanic shops on their diagnostic computers and they could not figure it out. Changed the camshaft driver and the relays, still doing it. Started to think it all happened after I changed the plugs to E3 plugs. By this time I have nearly $1000.00 worth of part and labor into it. Went and spent some more money and bought some good old CHAMPION plugs. To the mechanic surprise the Jeep runs like a charm. I cannot recommend the E3 plugs to anyone.....they have cost me a fortune......

Posted on Feb 26, 2012

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Hey i had the same problem with mine, i bucked at died at stop signs, and soimetimes at stoplights. It would buck and puke, sometimes backfire after it died. I solved this by replacing the rcm screws with longer screws depending on where you take you r jeep it will only cost around $38 or do it yoursekf

Posted on Jan 04, 2010

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Make sure battery cables are tight at both ends. It sounds like your losing voltage for some reason.

Posted on Oct 07, 2009

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