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Die Bosch D-Jetronic war 1967 die erste Großserien elektronische Einspritzung der Welt. - Bosch's D-Jetronic was the first mass-production electronic fuel injection.
Help D-Jet Mercedes M110 280CE
- laegaard
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05 Juni 2015 20:59 - 05 Juni 2015 21:01 #1239
von laegaard
Help D-Jet Mercedes M110 280CE wurde erstellt von laegaard
Hi
I have been struggling with my 1974 Mercedes 280CE M110 for a long time.. i just won't run..
I can idle if i disconnect the MAP/SDF. but as soon as i connect the vacuum to the MAP/SDF the engine just dies
I have vacuum testet the MAP/SDF and it holds Vacuum just fine. i have attached a picture of the connector, i don't know if it set in the right direction..
I have also adjusted the trigger points with Norbert Fischer's tool..
Any help pointing me in the right way, is much appreciated..
Dieses Bild ist für Gäste verborgen.
Dieses Bild ist für Gäste verborgen.
VIDEO: goo.gl/photos/sbmrdNXk86JzUqqk9
Regards
Mads
Dänemark
I have been struggling with my 1974 Mercedes 280CE M110 for a long time.. i just won't run..
I can idle if i disconnect the MAP/SDF. but as soon as i connect the vacuum to the MAP/SDF the engine just dies
I have vacuum testet the MAP/SDF and it holds Vacuum just fine. i have attached a picture of the connector, i don't know if it set in the right direction..
I have also adjusted the trigger points with Norbert Fischer's tool..
Any help pointing me in the right way, is much appreciated..
Dieses Bild ist für Gäste verborgen.
Bitte anmelden oder registrieren um das Bild zu sehen.
Dieses Bild ist für Gäste verborgen.
Bitte anmelden oder registrieren um das Bild zu sehen.
VIDEO: goo.gl/photos/sbmrdNXk86JzUqqk9
Regards
Mads
Dänemark
Letzte Änderung: 05 Juni 2015 21:01 von laegaard.
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06 Juni 2015 09:27 #1247
von Dr-DJet
Viele Schraubergrüße - best regards, Dr-DJet Volker
Alles für den Mercedes-Benz R/C 107 und W116 in der SLpedia Sternzeit 107
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Dr-DJet antwortete auf Help D-Jet Mercedes M110 280CE
Hi,
turning the connector will unfortunately not help. It is cleverly wired in such a way that primary coil is on the outside and secondary on the inside. So twisting connector still keeps the same coil connected.
When you disconnect the MAP sensors vacuum line, you enrich the fuel mixture as it will then signal full-load pressure to ECU. If that helps to make your car run, you seem to have a mixture problem that you overcome by removing vacuum hose. Concluding now that the MAP sensor is the problem, is not a valid argument.
Have you checked ignition and fuel pressure in loop line first? Have a look at my checklist for systematic testing.
turning the connector will unfortunately not help. It is cleverly wired in such a way that primary coil is on the outside and secondary on the inside. So twisting connector still keeps the same coil connected.
When you disconnect the MAP sensors vacuum line, you enrich the fuel mixture as it will then signal full-load pressure to ECU. If that helps to make your car run, you seem to have a mixture problem that you overcome by removing vacuum hose. Concluding now that the MAP sensor is the problem, is not a valid argument.
Have you checked ignition and fuel pressure in loop line first? Have a look at my checklist for systematic testing.
Viele Schraubergrüße - best regards, Dr-DJet Volker
Alles für den Mercedes-Benz R/C 107 und W116 in der SLpedia Sternzeit 107
Dieses Bild ist für Gäste verborgen.
Bitte anmelden oder registrieren um das Bild zu sehen.
Bitte Anmelden oder Registrieren um der Konversation beizutreten.
- laegaard
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- laegaard
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06 Juni 2015 10:29 #1253
von laegaard
laegaard antwortete auf Help D-Jet Mercedes M110 280CE
I took of the cover, before i found this site 
Sorry about that..
I have changed, sparks, wires, distributor cap, rotor.
Since i got the car a few years ago, its been running worse over time, it startet with some small setout, when running at a steady rpm. just like it just missed a spark or someting like that..
Mads
Sorry about that..I have changed, sparks, wires, distributor cap, rotor.
Since i got the car a few years ago, its been running worse over time, it startet with some small setout, when running at a steady rpm. just like it just missed a spark or someting like that..
Mads
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- laegaard
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06 Juni 2015 21:16 - 06 Juni 2015 21:27 #1262
von laegaard
laegaard antwortete auf Help D-Jet Mercedes M110 280CE
Did the ECU test, did not look good
Pin 1 air temp = open (no ohm) (also tested the sensor, and it's defect)
pin 8 MPS secondary coil = open (no ohm)
Pin 23 coolant temp = open (no ohm)
Did the test with battery disconnected, and ECU cable disconnected..
Don't have time to do more test today, but will get back tomorrow..
Mads
Dieses Bild ist für Gäste verborgen.
Pin 1 air temp = open (no ohm) (also tested the sensor, and it's defect)
pin 8 MPS secondary coil = open (no ohm)
Pin 23 coolant temp = open (no ohm)
Did the test with battery disconnected, and ECU cable disconnected..
Don't have time to do more test today, but will get back tomorrow..
Mads
Dieses Bild ist für Gäste verborgen.
Bitte anmelden oder registrieren um das Bild zu sehen.
Letzte Änderung: 06 Juni 2015 21:27 von laegaard.
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- laegaard
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- Dr-DJet
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- Dr-DJet repariert und sammelt alles! :-)
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