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Old 07-19-2012, 01:04 PM   #1
l300eri
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Default 2002 L300, P0304 help please!!

Hello there, I have a 2002 L300, 3.0 ltr. The service engine light came on, it is code P0304, cylinder 4 misfire. I replaced the spark plug in 4, nothing, new coil, nothing, switched the #4 #2 fuel injector, nothing, checked compression on #4 it was 195 or so. I am at a loss of what this may be. Please anyones help or suggestions would be greatly appreciated!!!! Thanks in advance!!
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Old 07-19-2012, 06:10 PM   #2
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Default Re: 2002 L300, P0304 help please!!

Check and make sure you have injector pulse on #4. Are you sure you are getting spark to that cylinder? Only other thing I can think of is maybe the boot between the coil and plug may be damaged.
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Old 07-19-2012, 09:44 PM   #3
l300eri
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Default Re: 2002 L300, P0304 help please!!

Thanks for the input! After all this messing around, I found that the spark plug I originally bought was the wrong on!!! Thanks A AUTO!!! lol. New spark plug fixed the problem, thanks for the input!
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