Question about 2002 Mercedes-Benz C-Class
Got a mercedez C 240 engine just died in the freeway got it tow at home after 8 hrs.try to start it started.i check the air filter too dirty clean it and started again it started i decided to replace it with k&n air filter stated it and 5 min.engine died again whats seems to be the problem?is it electrical or fuel pump?oil and gas ok and have a coolant too.it seems when its hot it just died?any solutions pls?
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Posted on Jan 02, 2017
Apollo, I would first pull all the plugs out and give a little squirt of something like seafoam or even just a bit of engine oil into each cylinder, you may have lost the seal between the rings and cylinder walls and this will help. You also need to confim for shure that you are not getting fuel before you worry about the pump. You can check this at the fuel rail, either by opening up the line, or in some cases you may even have a schrader vale(like a tire valve) on the line that you can press. I suspect that you do have fuel, but the injectors are not oppening due to the old fuel sitting in them for so long. These can be removed and taken to a shop that cleans injectors, and then reinstalled with new seals. And yes I do belive that there is a fuel pump relay in the fuse area, you need to do a search to find out wich one. These can be jumpered to activate, but untill you have done everything else i wouldn't worry about it. Oh, I asume that you have checked for spark? If not, you can pull a plug out and with the wire attached you can hold the base of the plug against the block, while wearing gloves, and see if you get a spark when some one cranks it over. Remember, you must have spark, compression and fuel at the right time in the proper ammount, and it will run.
Posted on Aug 28, 2009
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