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Code 0303 # 3 cylinder misfire

 
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Old 12 Sep 2009, 02:25 pm
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Default Code 0303 # 3 cylinder misfire

I am new to this web site but I have found aolt of usefull information here. So let me get to it, my wife has an 03 chrysler pt cruiser. Less than 500 miles ago I replaced the spark plug and wires on here veichle due to a rough idle (thanks to the information I found here).

Today my wife said the car was running really rough again. I took it up to auto zone and had them read the code (0303) # 3 cylinder miss fire. I purchased a new coil and was going to install it today until I read some information found on this web site.

So my question is, could there be another problem other than the 100 dollar coil pack?? thanks in advance.
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Old 12 Sep 2009, 02:43 pm
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Default Re: Code 0303 # 3 cylinder misfire

Quote:
Originally Posted by Bob0815 View Post

So my question is, could there be another problem other than the 100 dollar coil pack?? thanks in advance.
I would think if the coil was bad you would have at least two cylinders mis-firings. Save your money on the pack.

You might just have a bad wire or plug even though they are newly installed. The easiest way of telling is to swap out the number #3 plug with another or do the same with the number #3 wire. Clear the codes and if the problem re-appears in another cylinder, you've found your problem.
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Old 12 Sep 2009, 02:50 pm
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Default Re: Code 0303 # 3 cylinder misfire

Thanks so much I will try that
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Old 12 Sep 2009, 03:20 pm
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Default Re: Code 0303 # 3 cylinder misfire

If not wire or plug, could be intake gasket
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Old 17 Sep 2009, 08:21 pm
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Default Re: Code 0303 # 3 cylinder misfire

I had the same problem. After changing the plus, coil pack, and wires I took it to the shop. They did a fuel injection flush and reset the codes.
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