Question about 2003 Chrysler Town & Country

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What is rundam misfire

What is p0300 obd code means

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  • pissoncable Nov 25, 2008

    i ahve replaced the plugs, wires , coil, and i still cant fix the p0300... it starts and drives fine, then just all of a sudden ' loses' power and then doesnt shut off USUALLY but has. just will not move. let it sit and USUALLY it runs fine until ... out of the blue..same thing. warm has nothing to do with it, miles varies.. usually ive noticed it if i drive 15 or so miles... HELP!

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Hi,

To my knowledge, random misfire could be described as failure of any of the sparkplugs to fire in an unpredictable manner. A misfire is any of the plugs not firing but in a given time period, predictable. Random misfire on the otherhand comes and goes, sometimes it misfires, sometimes not. This is often an indicator of a loose electrical problem which is intermittent in nature.

The error code P0300 pertains to the above described random misfire or in some instances multiple misfire. The last digit (except when zero) wold points to which cylinder is not firing.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Oct 01, 2008

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Posted on Jan 02, 2017

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Read more at: http://www.obd-codes.com/p0300
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HARD TO SAY WITH OUT BEING THERE BUT THIS MIGHT HELP .
Crankshaft sensor Was the trouble with my 99 Chevy truck after replacing many components like coil cap rotor wires and so on .
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This code will set your check engine light and needs to be fixed as soon as possible. If it is not then you will probably need to replace your catalytic converter as well as the problem that is causing your misfire.
There are many causes for this obd code. Since it is a "random misfire" or "multiple misfire" this means that the misfire is on different cylinders and not just one all the time.
Common Causes
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Less Common Causes
  • Faulty Coil
  • Faulty Spark Plugs and/or Wires
  • Camshaft or Crankshaft sensors
  • Ignition module
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Random/Multiple Cylinder Misfire Detected have a good day !!

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==================================
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