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00 c230k, P0170, P0300, P0303, P0304, P0203, P0105
Hey Guys,
Trying to help a friend out with his recently purchased 2000 c230 kompressor. Car only has 73k miles and is relatively clean, but started running badly. The car is running really rough, stumbles at idle and past half thottle. I scanned the car with my scanner and it had a pile of codes: P0170 - fuel trim bank 1 P0300 - random misfire detected P0303 - misfire cyl 3 P0304 - misfire cyl 4 P0203 - injector #3 open circuit P0105 - Manifold Absolute Pressure My initial guess is that at least injector #3 is dead or flawed, is there any way to test this electrically? I know the car has had a new MAF sensor, I am not sure at to why. I really don't know much about the car or it's history. Any ideas or pointers on what to look for would be great. I have the ability to also scan live data on the car. Take care and thanks in advance, George
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George Androulakis Former Mb's: 1990 500sl R129 - 76k Original Miles - New project - Follow the saga http://90r129.blogspot.com/ 1990 190E 2.6 148k mi (sold) 1989 420 SEL 246k mi (sold) 1995 C220 175k mi (sold) 1992 190e 2.6 74k original miles (sold) 2000 c230 Kompressor 122k miles (RIP) 1996 C220 149k mi (sold) 2000 C230 Kompressor Sport 127k (sold) Current Cars: 2009 Mercedes c300 4matic 2006 Mercedes s430 2005 Jaguar XJR 2003 Cadillac Escalade |
#2
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On any supercharged MB 4 cylinder, the possibility of OIL on the air mass sensor is HIGH.
That is usually caused by a PCV valve that doesn't close under BOOST. Start with a visual on the airr mass sensor & the intake system.
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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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