D-jet question

Maybe check out your TPS before giving up on it. See the Dr D jet site for good information.

https://oldtimer.tips/index.php/en/d-jetronic/58-throttleswitch

But it seems you are having problems getting an ok idle -and the TPS doesn't have much work to do at that point.
At idle -no throttle- wire 17 from the ECU should be connected to ground through the TPS. And that circuit should open once the throttle is depressed. If that doesn't check out, test the function of the TPS by itself. Also look at information on rotating the TPS for the idle adjustment.
Maybe check out your TPS before giving up on it. See the Dr D jet site for good information.

https://oldtimer.tips/index.php/en/d-jetronic/58-throttleswitch

But it seems you are having problems getting an ok idle -and the TPS doesn't have much work to do at that point.
At idle -no throttle- wire 17 from the ECU should be connected to ground through the TPS. And that circuit should open once the throttle is depressed. If that doesn't check out, test the function of the TPS by itself. Also look at information on rotating the TPS for the idle adjustment.

Thanks a lot for attaching the Dr D-Jet.
The engine doesn't start this morning...
 
41 it is

Vacuum check and connector check on manifold pressure sensor please

Picture please of all wires going to coil
 
41 it is

Vacuum check and connector check on manifold pressure sensor please

Picture please of all wires going to coil

Hi Don.
The engine has started up yesterday!!
after sanding the point of TPS,(I don't know whether sanding is right things) the engine managed to run properly!
I am always grateful for your advice.
but, in any case I have to change the TPS at some point. so, please keep an eye out for the TPS for me...
again, Thanks a lot Don. I would be great if you can keep in touch with me!
All the Best Naito
 
Hi all
this is Naito from Japan.
the engine of my CSL has caught nicely yesterday. I would like to say thank you to all of you.
your advice were very helpful and I've got a lot of valuable information through this forum.
this forum member were always very supportive and kindness.
I especially would like to say thanks to Christoph, Don, Paul, Adrian and Simon.
I probably wouldn't have been able to do it without your help.
thank you so much. I would want to share my BMW life with you guys!

Very Best Regards Naito
 
my CSL out for a spin today!
 

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