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post #1 of 2 (permalink) Old 06-16-05, 03:01 AM
Drnya
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850tdi - loss of power

THNX very much for all the answers for 850tdi OBD2 confusion post below.
Now, it's clear...

If anyone is interested - here is the wiring of my 11/1996 850tdi non
OBD2 compliant, but OBD2 marked connector - the following pins are wired:

-1,3,4,5,6,7,13,16.

BTW, all my search for the OBD2 kit began, cause last week I have
experienced loss of power and overall low performance, and the check
engine light lit up. Car goes well but acceleration is slow. Fuel
consumption is the same, no engine oil consumption, no coolant missing
etc. Drove about 800 kms since...

The only additional thing is some blue smoke after the cold start in the
morning. Blue smoke stops after few kms.

I have cleaned and checked the EGR valve. It was only a little dirty. I
have also checked various hoses for leaks (maybe not all???). Also
checked the electr. connectors, and inspected the resistance and supply
voltage to electromagnetic pressure converter as described in the PDF below.

FYI - the EGR valve and EPW from the PDF are the same. Check the PDF it
may be useful to you :-)

http://www.msi-motor-service.com/ximages/4052.pdf

The only thing left to suspect is the Air Mass Sensor. Well, I hope it
is not the case. I do hope that I may be missing some punctured hose /
tube or bad wires?

Please - does anyone have any ideas?

I have booked the repair shop on thursday morning, and I am afraid :-)


Update:

Been there this morning - they said that the code EFI 711 from their
scantool didn't tell them much. They suspect one of the "thousand"
sensors...

Must leave the car in service on monday... :-(

Still hope it's the problem with wires or hoses...

Thnx.

--
Drnya


 
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post #2 of 2 (permalink) Old 06-16-05, 03:01 PM
OBD
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Posts: n/a
Re: 850tdi - loss of power

EFI-711 = Needle Valve Sensor, signal faulty.

Check the electrical connection to the fuel injector with the wiring in it.



"Drnya" <drnya.zgb@makniovo.inet.hr> wrote in message
news:d8ragg$1i6$1@bagan.srce.hr...
> THNX very much for all the answers for 850tdi OBD2 confusion post below.
> Now, it's clear...
>
> If anyone is interested - here is the wiring of my 11/1996 850tdi non
> OBD2 compliant, but OBD2 marked connector - the following pins are wired:
>
> -1,3,4,5,6,7,13,16.
>
> BTW, all my search for the OBD2 kit began, cause last week I have
> experienced loss of power and overall low performance, and the check
> engine light lit up. Car goes well but acceleration is slow. Fuel
> consumption is the same, no engine oil consumption, no coolant missing
> etc. Drove about 800 kms since...
>
> The only additional thing is some blue smoke after the cold start in the
> morning. Blue smoke stops after few kms.
>
> I have cleaned and checked the EGR valve. It was only a little dirty. I
> have also checked various hoses for leaks (maybe not all???). Also
> checked the electr. connectors, and inspected the resistance and supply
> voltage to electromagnetic pressure converter as described in the PDF
> below.
>
> FYI - the EGR valve and EPW from the PDF are the same. Check the PDF it
> may be useful to you :-)
>
> http://www.msi-motor-service.com/ximages/4052.pdf
>
> The only thing left to suspect is the Air Mass Sensor. Well, I hope it
> is not the case. I do hope that I may be missing some punctured hose /
> tube or bad wires?
>
> Please - does anyone have any ideas?
>
> I have booked the repair shop on thursday morning, and I am afraid :-)
>
>
> Update:
>
> Been there this morning - they said that the code EFI 711 from their
> scantool didn't tell them much. They suspect one of the "thousand"
> sensors...
>
> Must leave the car in service on monday... :-(
>
> Still hope it's the problem with wires or hoses...
>
> Thnx.
>
> --
> Drnya



 
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