I'm not sure, don't really remember. Sent from my iPhone
> On Dec 30, 2013, at 2:18 PM, Dieselhead <126die...@gmail.com> wrote: > > I can't see any way of getting to the crank position sensor from above. > > Kaleb, when you pulled 124 300D engines, do you remember seeing a sensor on > top of the bell housing? > > There is no space at all behind the engine in a 124, and the hmp is within > and inch of the transmission pretty much all around. I tried pulling fuses > while it was racing. no fuse seemed to matter. > > > PRIOR POST: > > When the car settles down, it idles around 600 -650 RPM. When it is flakey > it goes from maybe 400 rpm, just barely running, to 1000 or 1200 rpm with > some instances of 600. THe electrics seem to settle down when the engine > warms up. THis is a rust free southern car too. 124 300D OM603 > > > Thanks! > > I pulled the OVP relay from the SDL, popped out the 124 OVP and put in the > SDL OVP. Started up the 300D, no joy! Rats! I was hoping that might be a > simple fix, if not cheap. > > Battery terminals are snug. I did not take them off, clean and replace. > Working on the 107 brakes first. > > Is this Crank position sensor on the trans accessible on a 124/OM603 without > taking out the trans? I don't remember ever seeing anything like that on a > diesel. Why would that cause the lights inside the car to flash off and on? > I could see idle speed and tach funkiness being caused there. > >> Working on it. The idle control system has failed, and there are several >> causes. >> >> OVP >> >> crank position sensor (obviously, if it's bad or has intermittent >> connection, no tach, no idle speed control). Usual cause is a corroded >> connector behind the engine, as the sensor is on the transmission housing. >> The sensor at the front is only for setting injection timing. >> >> Failed rack actuator (won't cause no tach) >> >> Bad wiring >> >> Bad idle speed computor >> >> Cracked solder at the rack actuator >> >> Bad rack position sensor >> >> The FSM as a twenty page diagnostics procedure I've not started yet due to >> the crappy weather. >> >> Peter > > _______________________________________ > http://www.okiebenz.com > > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
