New injector

[krikan]

Thanks. Yes. The numbers are clear on those. So that is not the problem I guess.

Could it be something with the automatic calibration of the injectors?

I would start with a new diesel filter as it is quite easy and also should be done anyway. Make sure to follow the procedure for emptyping the filter for air etc. Maybe a clogged diesel filter is prohibiting the auto learning/programming of the injectors, making them run bad at idle and also giving trouble driving on the highway.

[Robcham]

Hi, great post. I have the same issue after changing and coding injector 1. The injector timing is much lower on injector 1 when idling and the goes to limp mode after a short period. Assuming the ECU is cutting the output to it for safe mode. The values do even out when higher acceleration. Did you get to the bottom of the issue? Any pointers greatly appreciated.

[krikan]

Hi
I do not have the car anymore. It was too expensive in repair in the end. Other stuff, not at all related to the injectors. After I had new injectors in all positions everything went great in this aspect.

After installing one new injector I saw the exact same pattern as you see. Also that the difference in ms evened out when accelerating a little.

See my earlier post. I changed the remaining three injectors and everything was fine after that. I think 3 old injectors and one completely new will cause problems as the old ones will still be more clogged. I assume that if the difference is too big between the injectors the engine cannot compensate or some kind of fail safe mode kicks in.

If you get all new injectors I just want to say that the first few drives after that were frightening. It ran very bad and created a lot of smoke from the exhaust. But after a few miles it was completely fine. Probably some kind of calibration going on.

[Robcham]

Thanks for taking the time to reply. Much Appreciated