Question about 2004 Dodge Caravan

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My van seems to be having random multiple misfires

My 2004 Dodge Caravan with a 3.3 Liter engine has been having this problem for several months now. Back in March the car would hesitate sometimes when accelerating and act like it was going to stall though it never does. The hesitation will sometimes be a lack of power when accelerating and/or the van will kind of **** a little. I had taken it to AutoZone because the engine light came on and the code checker came up with code 301 and one other one but I cant remember what it was. Basically one said there were "random multiple misfires" and the other code mentioned cylinder 1.
Anyway, I changed the spark plugs and the wires back in March. That didn't change anything. So now I am at a loss. The van is under an aftermarket warranty but I don't have any idea if the problem would be covered under the warranty. I think some sensors are not covered like oxygen sensors and such. I just have no idea of what could be the problem. I know it's annoying though and I would like to get it fixed. Anyone have any good ideas?

Brian
My email address is :knightofavalon7@msn.com

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Hi there i am having the same problen as the perdon with the po 301 misfire on cylinder one so far i have changed spark plugs and wires and still the same thing anyhow i have put in the injections cleaner and will see the out come im going with a ignition coil on
the windstar 2003 if you have any solution dont hesitate to write me
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Posted on Nov 22, 2008

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First,investigate the warranty,as there is no need for you to be spending money out of your pocket if the warranty covers such items.As far as the misfires,they can be caused by items a little more in depth,although the spark plugs are the first items to check and replace.The spark plug wires can also cause misfires,as well as coil or coils,and injectors being dirty and partially plugged up.If your engine utilizes spark plug wires,replace them,as they will leak voltage when old,and cause misfires.Anything beyond that will require more diagnostics.Every diagnostic trouble code (DTC) has a diagnostic route as prescribed by the manufacturer.These diagnostic routes are available through pay sources such as All Data online.If the simple things like plugs and wires doesnt fix the problem,then diagnostics are in order.Good luck.

Posted on Aug 10, 2008

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