Mondeo TDCI 130 cv P2336

[GolfmkI]

Hello I have receive in garage Ford Mondeo 2002 TDCI 130.
I really Know they really are very common with inyector problems, but this time it is too much hard for me.

It shows DTC P2336 : ALWAYS, it is permanent error. cylinder 1 knock threshold exceeded = read as injector 1 .

Sometimes I had this problem, simple solution was coding again 4 inyectors. Normally problem is solved. This time even when I recode it have no luck and problem persist, even when I make I long drive.

Inyectors have been probed by a diesel specialist ( I have taken out so they can probe it in the bench).

Even I have changed the number 1 with the number 4 and recode again. Problem always persist in inyector 1.


So it seems like a problem with installation or communication with ecu with this specific inyector line. Have checked wiring and all is ok.

Could be a damaged inyector control module ( 130 cv models have a separate box for only inyectors)????????

I am beeing fool with this problem.

I think I am not on the rigth way, and the p2336 is caused by something that is not neccesary an inyector, even a cranck sensor?????? This is why I dont find the problem???

Does anyone have access to exact descrypcion for this error code??? Is there any specialist in Ford TDCI in this forum?? I really dont have access to original info about.

Any help will be appreciated.

[Larue]

I suppose that car has separate Injectors Control Module. There are three wires between module and knock sensor.....just in case I would check them and finally replace Injector Control Module.
Hopefully helps.

[GolfmkI]

I suppose that car has separate Injectors Control Module. There are three wires between module and knock sensor.....just in case I would check them and finally replace Injector Control Module.
Hopefully helps.

So you supose it is a Knock sensor problem??? And not an inyector related problem???

Why then always appears error in 1? inyector???? Because it is the first in the timing????


Interesting...........

[Larue]

First of all You are getting this code without engine running. There is no logic. Knock sensor can't see any combustion or engine noise without engine running. So....bad news. These modules are quite expensive.
Have changed some of them with this fault. Every time on different cylinder, but finally its Injectors Driver Module.

[florinyes]

Check injector plug. Had this before too (a few times) and new injector sorted it. Don't forget to give'em a good drive after recoding..

[GolfmkI]

First of all You are getting this code without engine running. There is no logic. Knock sensor can't see any combustion or engine noise without engine running. So....bad news. These modules are quite expensive.
Have changed some of them with this fault. Every time on different cylinder, but finally its Injectors Driver Module.

Code is showed also with engine running, but it is true it is no logic to take it with engine stopped. Diesel specialist says it is normal, code dont erase till a long run with the car.

I have take off Injector Driver Module ( in the front left wheel). It is mounted in a closed box, seems like inmo it is inside???? Could this ecu been opened safely???? Could I take a used one to probe before spent money?? (I supose it can be cloned like ecu engine).

Thanks

[GolfmkI]

Check injector plug. Had this before too (a few times) and new injector sorted it. Don't forget to give'em a good drive after recoding..

I have really checked injector plugs, they seem ok 99,9%
I have given a good and large drive after recording.


In your mind how it is possible that error stays in ecu, even when engine is stopped???? Seems not logical.

How do you replace inyector plug??? Does Ford sell it separate of the wiring harness????

Ver thanks

[Larue]

Code is showed also with engine running, but it is true it is no logic to take it with engine stopped. Diesel specialist says it is normal, code dont erase till a long run with the car.

I have take off Injector Driver Module ( in the front left wheel). It is mounted in a closed box, seems like inmo it is inside???? Could this ecu been opened safely???? Could I take a used one to probe before spent money?? (I supose it can be cloned like ecu engine).

Thanks

Hopefully I'm wrong.....that is only My experience.
I haven't opened that box. So I can't tell You about that.

[GolfmkI]

Anyone Knows???

Does all the Mondeo Tdci have Injector Driver Module???? Or only the 130 ps model???? Are they compatible for looking for an used one??

[Larue]

Ford dealers can program used one.

[florinyes]

I've done quite few and never had to replace inj driver..

First of all..have you done a leak back test?

[GolfmkI]

I've done quite few and never had to replace inj driver..

First of all..have you done a leak back test?

Yes the leak back test , have been done. But you have to Know car has a very bad idle and lot of smoke due to this problem so there were lots of differences with the 1? injector. This is Why I have unmounted the 4 injectors and taked it to a diesel specialist so they can check it in the bench. It was succesfull , all injectors are ok.

[florinyes]

What were the return rates (in ml) on each injector?
A 10% diference shows a faulty injector. Never send injectors away for testing as leak back shows very acurate where the problem is.Plus, is very rare you get more than one faulty injector..

[nutloose]

knock limit attained.....

the adaptation limit for the injector coding has been reached.

Just re-enter the calibration code into the PCM for the affected injector and the code can be cleared.
Remember to enter the codes for the injectors in FIRING ORDER.
eg Cylinders 1234 = enter injector codes for 1342 (make sure you enter the calibration code into the RIGHT memory location)
BE VERY SURE that you enter THE EXACT CODE for each individual injector.
Incorrect calibration codes WILL NOT be saved to memory!

if this fails I suggest that the injector has worn outside the adaptive limits of the system and should be replaced.

PS... they run like shit when in fault mode due to pilot injection being turned off and fueling done by main pulse only.

the change from the dual module (PCM+IDM(EEC V)) to single module (Delphi PCM) happened in late 2002

[GolfmkI]

knock limit attained.....

the adaptation limit for the injector coding has been reached.

Just re-enter the calibration code into the PCM for the affected injector and the code can be cleared.
Remember to enter the codes for the injectors in FIRING ORDER.
eg Cylinders 1234 = enter injector codes for 1342 (make sure you enter the calibration code into the RIGHT memory location)
BE VERY SURE that you enter THE EXACT CODE for each individual injector.
Incorrect calibration codes WILL NOT be saved to memory!

if this fails I suggest that the injector has worn outside the adaptive limits of the system and should be replaced.

PS... they run like shit when in fault mode due to pilot injection being turned off and fueling done by main pulse only.

the change from the dual module (PCM+IDM(EEC V)) to single module (Delphi PCM) happened in late 2002

I have entered codes several times but never dissapear the fault code, Even with the engine stopped!!!!!

I am sure it is not an injector problem, I have swaped injectors and the error always appears in same place 1?! So could not be injector. I have tried the 4 injectors in these position and fault code is always current

Do you Know if inmo is in pcm or in idm????? I want to try with other idm but I want to be sure with the inmo.

Thanks