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#1
06-08-2007, 01:31 AM
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misfiring 2004 C230 K
My 2004 C230 K started rough idling just before pulling into my garage tonight. Obd II codes p0301-4 (misfiring cylinders 1-4) My father thinks possible electrical/ignition problem? Is this a MAF failure/problem? I need help understanding what is going on and what to do.
Last edited by Mandolfo; 06-08-2007 at 01:50 AM. 
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#2
06-08-2007, 08:01 AM
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ON that engine I would start with a COMPRESSION test!
That engine has valve sticking problems..service bulletin. If that checks out GOOD then a bad MAF is a very good possibility.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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