Re: Problem solved?

[quk@sievers.com (Phil Payne)]

In message <Pine.SUN.3.91.970407145811.173B-100000@marjoram.compnews.co.uk> Mike writes:
> 
> Got a phonecall late Friday afternoon, the problem with my car is (they 
> claim, but not 100% sure), a worn pulley wheel. According to the chief 
> techie type dude, the MB engine has 3 sensors that must all trigger at 
> the same time for the engine to start. Because my wheel is worn, thus 
> loose, the timings do not all coincide, thus the car sometimes starts, 
> then sometimes does not. That is because two of the sensors are attached 
> to this pulley wheel, the third being somewhere in the distributor. 
> Some kind of saftey mechanism that stops your engine running if there is 
> any danger of your cambelt/cam/cam pulley wheels breaking?

There are two _flywheel_ sensors on the MB, and they are indeed coordinated 
with the distributor hall sensor.  However, all of these situations are clearly 
signalled by the codes dumped from the ECU.  The distributor (Hall effect) 
window is pretty big, though, and it's unusual for it to stop the engine 
running.

--
 Phil Payne
 phil@sievers.com
 Committee Member, UK Audi [ur-]quattro Owners Club