2004 Mercedes Benz C230

2004 MERCEDES BENZ C230
85,000 MILES • 4 CYL • 2WD • AUTOMATIC
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03LIGHTNINGJACK
  • MEMBER
  • 1 POST
car runs real ruff at low idle but if you give it a little gas it runs smooth.car still gets 31mpg.cleaned maf and checked plugs still the same.
Jul 6, 2008 at 2:08 PM
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GFIMOTORCARS
  • ✓ASE Certified Mechanic
  • 673 POSTS
  • ASE Certified Mechanic
I would recommend having your plug wires checked. Faulty plug wires can defiunately cause the condition you are describing.
Feb 28, 2009 at 12:15 AM
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