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Question posted by Jules8569 on September 1st, 2013

Engine Sputtering, Hesitating And Jerking.

So... In addition to the rough ride im experiencing, i have this other, seemingly unrelated engine problem. At various fadt or slow speeds, the vehicle exhibit the above mentioned actions an feels likei it might ge on the verge on dying/stalling. Doesnt happen all the time but on a half hour trip, it might happend a half dozen times, at random. i can also feel something beneath my driverside floorboard. if you know your way around a Chryslr, please advise.

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Answer #1: Posted by kcmjr on September 1st, 2013 12:45 AM

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kcmjr

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Sputtering, hesiating, and jerking makes me think spark plugs, coil caps, or bad fuel. These new fangled motors have gone away from the old distributor / wires / plugs we all new and loved and have gone over to coils that mount on each plug and are fed by low voltage. These coils fail more often then the old style single coil (at least in my opinion). If my Jeep Wrngler (a Chrysler product as well) starts acting as you describe it usually means my coil pack is dying.

I would start cheap. Get good quality gas, i.e. Shell, Chevron, etc. Someplace that gets consistent gas. Yes it's more expensive but at least they don't buy it on the open gas market. Also add some fuel treatment/cleaner. Lucas Oil makes a great additive to clean injectors and fuel lines. Walmart and any auto parts store should have it. Change your plugs. Get good 60,000 mile platimun plugs. Bosch makes some real nice no-gap plugs. These never require gapping. If you get regular Platinum plugs make sure they get gapped properly. After that if things still are rough try the coils.

If all that doesn't have an effect there may be internal issue with the motor. Time for a mechanic...

Good luck.

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