2000 Mercedes Benz A140 misfire

2000 MERCEDES BENZ A140
Avatar
GURVIKAMBO
  • MEMBER
  • 1 POST
Engine Mechanical problem
2000 Mercedes Benz A140 4 cyl Manual

my a-class has just started to misfire,or it jerks when you accelerate.can you help please.
Mar 29, 2009 at 7:19 AM
Advertisement
Avatar
RASMATAZ
  • CERTIFIED EXPERT
  • 75,992 POSTS
Engine misfiring can be caused by worn or fouled spark plugs, a weak spark (weak coil, bad spark plug wire), loss of compression, vacuum leaks, anything that causes an unusually lean fuel mixture (lean misfire), an EGR valve that is stuck open, dirty fuel injectors, low fuel pressure, or even bad fuel.
Mar 29, 2009 at 7:22 AM