My mercedes benz 230E w124 1992 model stalls when driving at about 60kph. My mechanic replaced fuel pump & fuel filter, he says the OVP & FPR are ok, but the car stalled again today at a speed of about 40kph. Please help.
Hai, I have the same model 230e w124 and have the same problem and my mechanic change a fuel rerulator which is under the cleaner since then my problem solve.
Run the fault codes to check for faulty sensors. Have the cat converter checked as it may be cracked and blocking the exhaust at speed.
SOURCE: 1986 mercedes benz 230e runs rough and stalls
typically, this describes a dirty fuel filter.
SOURCE: I drive a Mercedes Benz C200, 1998 Model and I
Your fault need identification after the vehicle is parked for a long time. The nearest possible area of doubt is the condition of the engine. You have not specified the mileage clocked and the regularity of periodic service because if this is done systematically there can be lesser areas to look for in our trouble shooting solution. Hencce to start with your fuel pump, the fuel filter and see if the fuel drains off inthe fuel system when parked for long time. If so identify whether it is in the fuel system or the pump. If fuel seems fine, the engine compression, valve setttings must be in order for a quick start. If this shows good reading, asssesment of the compression of each cylinder by a test of the pressure of air exhausting in each of the cylinders is good. If this looks ok then check on the to the actuator or the auto choke valve. If possible drain off/ run off your fuel and try a different higher grade. I have the feeling that the fault could be the firing or the fuel both of which you can check on alternate days before starting( for petrol check your plugs, your HT coils or replace, for diesel check your glow plugs and replace if bad or worn out ). Hope I could assist. Good day
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