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#1
01-24-2001, 06:30 PM
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Trying to figure out why one plug is carboned while the other 7 are a light gray to white. I have replaced the plugs and the cap and rotor. I would appreciate any insight into this problem. I am sure that the cylinder is missing at idle and that is causing the rough idle!
Thanks 
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#2
01-24-2001, 09:43 PM
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This is usually the most clear indicator of a worn valve guide or blown off guide seal. I would have it checked, but beware, it could need a very expensive valve job.
__________________
Benzmac: Donnie Drummonds ASE CERTIFIED MASTER AUTO TECHNICIAN MERCEDES SPECIALIST 11 YRS
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