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[Entwood]

19 poor starting very much linked ??

If the system doesn't "know" the RPM/ crank position it can't "squirt" the fuel in at the right time ... perhaps under towing you are getting a higher RPM that the sensor now gives enough info

I would have guessed that towing RPM is much higher than starter motor RPM

Crank Sensor change ??

EDIT ...  remember .. I know bugger all about diesels .. just guessing ...

[Psychoca]

I am fairly sure that the 19 code is quite old, I know it came up when I paperclipped it earlier in the year...  Assuming it is, Are they expensive?

[Psychoca]

Assuming that the Crankshaft sensor is the problem, where is it located on the 2.5 TD and what is the easiest way of getting to it?  If it makes life easier, I do have access to a set of hydraulic ramps.

Thanks.

[Seth]

It's on the nearside of the block, near the starter motor, and points rearwards into the flywheel/bell-housing.
PM me your email address, and I'll forward a drawing to you.

[charlie]

to get a battery voltage low the battery iirc must be 8.7volts or below much is way to low.battery neither knacked or you got a short circuit

[Psychoca]

I have been offered the assitance of a known good Omega 2.5td, to remove the crank sensor to try in mine, to see if it will cure the problem.  How critical is it to set the crankshaft to the markers???

[Seth]

Just read-up the diagram that I sent .......
The pulse pick-up will 'sense' it's position relative to the pins on the dual-mass flywheel.

[Psychoca]

I have confirmed that it is indeed the crank sensor that is failed, by seeing how she started immediately when I disconnected it.  She started a few times, then when I left her for a while and tried again she waas troublesome...

I have managed to track a part down at autovaux, so should have the car running properly by the weekend..

Thank you to everyone for your help, it is very much appreciated.

[Psychoca]

I had the car back up on the ramps today and had a bit more of playabout and to get the part number of the fitted sensor.  I noticed that the starter motor had lost a bolt and was loose.

I tightened the remaining bolt and put a temporary replacement bolt in, checked the car with the sensor connected and I had no problems starting the car.  I left it for a while, tried it again a few times and still the is no problems starting the car.

Everything appears to be fine now, so I guess it was the starter corrupting the signal from the crank sensor...

Most wierd...

[Omegatoy]

I had the car back up on the ramps today and had a bit more of playabout and to get the part number of the fitted sensor.  I noticed that the starter motor had lost a bolt and was loose.

I tightened the remaining bolt and put a temporary replacement bolt in, checked the car with the sensor connected and I had no problems starting the car.  I left it for a while, tried it again a few times and still the is no problems starting the car.

Everything appears to be fine now, so I guess it was the starter corrupting the signal from the crank sensor...

Most wierd...

well done mate, and its not the first time ive heard of it albeit it was on a ford but few years ago, there was a big hoohaa about startrs corrupting crank sensors!! so i guess a loose starter could well produce back emf or something and interfrere with the signal as you say!!