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Hi, it was the oil cooler and I've replaced them but I've encountered more issues that I should have but all good in the end.

Hi so got the car running it seems that two sensors were connected the wrong way ops but its running now but its losing boost it makes a sound like all the boost is escaping when Im accelerating and it shows up with these 2 errors (see picture) and there's also black smoke on the parts (also see...

Hi, yes I did I've checked it 2 days ago with the multimeter and everything seemed to be fine and none of them were blown (didn't checked any of the relays) at this point should I just buy and replace sensors and see which one is actually tripping the car or there's something else I should check?

I've cleaned all the connectors prior to installing everything back on the car and no errors prior to the oil cooler seals replacement and forgetting to tighten the two top screws on the turbo and lost a bit of oil in the process but the fuse that it blew was replaced and everything was cleaned...

Can I unplug them with the engine running is it safe to do so? LE: So in this case should I replace the rest of the sensors and go thru them and see if it fixes anything or I should try to find a good mercedes specialist to have a look?

Hi, i have a E350cdi 10 plate and i got the following error n3/9 motor electronics cdi6eu5 with the star code of this (pic below) and my car is in limp mode, I replaced the crankshaft and camshaft sensor but no joy says the same thing I've checked all the small fuses that i could see and they...

Next week i might have some time to replace the camshaft sensor to see if the error goes away if not then i think i might need to take everything apart again and have a look.

Fuses seem to be fine just checked them today any other ideas? TY

Few updates, got the car started in the end but the car now start a bit harder than before and it goes into limp mode. Also in limp mode the gear changes don't seem to change properly is this because of limp mode and there's no boost at all the errors that i currently have and they don't seem to...

Replaced the crankshaft sensor still no joy i'm kinda lost at this point any advice from a experienced member in what to check next or what if i missed something or what could cause the car the crank over and over and over and not fire up? ty

Tomorrow I'm going to try and take the crankshaft sensor out to clean it and try again I'll also have a look at the wires again and see if I missed something.

As i previous said the car started on the 4th crank after i did the oil cooler change but i forgot to tighten 2 screws on the turbo (the T40 or whatever they are) and oil started coming out and probably went all over the bellhousing soaking the sensors.

Is it possible that my crankshaft position sensor to be full of oil and that's what preventing the car from starting? Also where is it located as i'm tempted to take it off cleaning it and putting it back together.

So i scanned the car again and i got these. Now is this a case of taking everything apart cleaning the area and putting everything back together or might be that some connections from somewhere came loose?

Ok guys a few updates, got the car back together started the car and to my luck i forgot to tighten the screws on top of the turbo and lost all oil (not a bit problem as i was going for a oil change) now i added some oil after i've tighten the screws but the car just cranks over but it will not...

So did a bit more work today and here where I managed to get with the assembly also i manage to break off this little thing does anyone know the part number for it or how to search for it on EPC? thanks. I still have all the connections to connect and also there are 2 screws behind the turbo...

I'm just a car enthusiast that loves to work on his cars (W124 E200 1994 and W124 250D 1992) in his drive so the only guarantee that I need is mine :) LE: Most jobs that I do I research online in how to then I attempt to do it :) LLE: Do oil coolers generally fail / crack or what would be the...

I installed the old one with new gaskets does the oil cooler actually leak or its just the gaskets? I haven't bought a new oil cooler as I thought I don't need a new one.

Hi there after hijacking a different thread and then using it as my own I thought that the right thing to do is to open my own thread where I can ask questions more freely in how to put the OM642 back together ( what goes where screws etc as I'm a bit lost at the moment with everything off )...

Bought new ones I was just a bit surprised when I didn't see it when I took it off but I'm replacing every gasket that I touch on my way to the oil cooler. LE: Just hope that I can put it back together one all is said and done :))