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2003 pt crusier

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Old 27 Nov 2012, 01:21 pm
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Default 2003 pt crusier

can anyone help me out on what is up with my 2003 Pt crusier ..the diagnostic read multiple misfire in cylinders.. and it is dying when i come to the a stop and will not go over 50 mph..
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Old 27 Nov 2012, 01:33 pm
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Default Re: 2003 pt crusier

When was last time Wires & plugs were changed?
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Old 27 Nov 2012, 04:02 pm
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Default Re: 2003 pt crusier

Although the coil is a strong point in the ignition system, you could have a problem with it.


Fault Code P0300 - Multiple Cylinder Misfire

A misfire code in a specific cylinder (P0301-Cylinder #1, P0302- Cylinder #2, etc.) usually indicates a possible problem with a plug or ignition wire. A P0300 code indicates the misfire is random and moving around from cylinder to cylinder. The cause here would likely be something that upsets the engine's air/fuel mixture, such as a major vacuum leak, leaky EGR valve or unusually low fuel pressure (weak pump or faulty regulator).
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Old 27 Nov 2012, 06:07 pm
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Default Re: 2003 pt crusier

All of the above! It could also be a flakey cam sensor, although usually you get a specific code for that. Do the above first.

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