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Old May 4, 2007 | 04:52 PM
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donald burnash
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lean engine problem

I have an 02 E350 5.4L that continues to melt the left side converter up. The engine seems to be running too lean on the left side. I took the Y-pipe off and found chunks of converter in front of the main converter (total clogged). Does anyone know what the f##k is going on? This is the third converter. The right side converter is still good.
 
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Old May 4, 2007 | 06:02 PM
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torkum
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Have you checked for any valve problems or do you have any other problems?
 
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Old May 7, 2007 | 09:38 AM
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The engine runs great when main converter is not clogged.
 
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