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#1
11-15-2009, 11:11 AM
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1999 C230 running rough
This all started about 2 weeks ago I went around a rather sharp curve and then the car started missing if you shut the car off it quits until you really get on the gas or if you brake hard. The car is full of gas and I have installed a new fuel filter no sign of water or trash but it acts like to me that there is a fuel problem. Any ideas???? What should the fuel pressure be for the car at the fuel rail?
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#2
11-16-2009, 08:12 AM
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Fuel pressure is 3.5Bar (52psi) at idle.
Before you do much else, try removing the MAF & inspect for signs of oil in the intake system.
__________________
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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#4
11-16-2009, 10:21 AM
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Oil in the intake is the sign of a bad PCV valve.
OF course cleaning & replacing parts can be $$$. Start by using a MAF cleaner & replacing the PCV valve & oil seperator. Hopefully you may not need a new MAF.
__________________
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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