Ok, I bought a 1983 mercedes 240d last month to drive to college in to fall. it was pretty sad looking cosmetically, the auto trans shifted horribly, and the power brakes were, um, not power any more.
This is my 4th mercedes, third diesel, so I know about vacuum. I ixed the trans by replacing the modulator, the brakes by replacing the blocked vacuum main valve. Shortly after, I had to replace the vac pump as it failed mid-trip one day. SO...It drove beautifully! I was so impressed by it that I vowed to paint it and keep it 'til the wheels fall off. I spoke too soon.
Last week, on the interstate, I needed fuel. I exited and pulled into a station, upon which the car began to vibrate badly (the exhaust pipe and was banging against the frame) and stalled. I restarted the engine and managed to get it to the pump. I fueled it, primed it (thought that might be the prob) and hoped for the best. Nope. It still shook, stumbled on acceleration, and threatened to stall at every light. Also smoked worse than my father...and that's saying something.
so, here I am, safely at home after a traumatic trip back (seems to run better once you get it to speed) I tested each injector by pulling the line and seeing if it changed the engine idle. this test said #1 was not working right, didnt change a thing when I pulled it. I replaced it with a junkyard part, and no change. I replaced the fuel filters with no change. I have no leaks. So, I have 1)NO power. even less than is expected from a diesel 2)lots of white, raw diesel smoke 3)hard cold starting, easier when warm. 4) rough, shaky idle and stalling when in Drive or reverse if you don't give it accelerator pressure. Could the JY have sold me another bad injector? this seems an unlikely coincidence. Is my IP bad (please say no...poor college student here! haha) or the timing? any advice would be much appreciated. I want the car I had LAST WEEK back!