Yeah i dit that but it made no difference. I think the pump is shot. It’s provably not delivering enough fuel pressure for needle to get a steady reading. It will start to register when rpm is raised to min 1500 rpm. I’ll take the top of and...

I wouldn't touch that pump too much. Tap it to idle at 750 rpm and leave it. If there is no throttle response then someone may have had the top off and not engaged the pin into the collar.

There is a potentiometer in the pump top. I'm trying to remember what it looked like but I recall you can clean it. I think it might have some sort of ribbon cable that solders on one side in order to get it out and clean underneath it but I...

Well, the car was cheap and meant to be a project/learning experience. So I tapped on the cat with a steel bar and it was a very muffled sound - maybe it was plugged. So I cut the exhaust right before the cat. Made zero difference other than noise 😂.

Thank you. My brain has been so focused on fuel and timing that I’ve not even considered the exhaust. I bought this car as a project to learn more about cars. I’ve got a lot more to learn 😊.

Well. Spent the evening yesterday tinkering and thinking. Tried various qa positions and tried to retard and advance the timing in small increments. No change in result. There is just not enough fuel coming to the cylinders to produce power - I...

I can also add for the curious one that if I adjust the top pump with the gentle rubber mallet technique I can it make it idle at 750. But the throttle input is almost non existent. Current fuel number will be around 25. That will also give me...

It was actually the previous owner who did that. He claimed he was getting errors for needle lift sensor and bought a new injector. U have the receipt and it looks new compared to the others. Today I started the car and was having readings on...

Thank you for the picture. I got around 100 ohm so pretty close. I think 80-120 is normal.

ECU failure is not common. Enjoy the bonfire.

Me too. I redid the static timing today just to make sure everything is spot on. 0.90 as the book says. The new injector is a Bosch 0 432 217 279 which seems to be the correct one. I have checked the injector for correct impedance and it seems to...

Well that's likely my problem. Needle lift showing zero as well until revs go over 1500. Seems a bit intermittent. No fault light.

Ok! Even showing 0 at idle for injector (timing) actual?

Im using a Kingbolen Ediag. Bought it for my L320 TDV8 since it could do EAS calibration and some more. It has a separate profile just for P38 and Bosch EDC. Looks to be the same sub meny layout as the Nanocom Bosch EDC guide PDF ;Fueling...

I appreciate all the help and outside of the box thinking! Is it fair to assume that since my obd reader shows boost pressure to increase with load to about 1 bar over atmospheric pressure, that the turbo and relevant hoses are working properly...

I was curious and took of the top lid of the pump and looked at the potentiometer arm. It moves with spring tension but smooth thru out its travel. I was scratching my head a bit and wondering if the quantity adjustment inside would rectify my...

Im sorry, I made a bad description of the noise. If I disconnect the hose from the MAF and rev the car I can hear when the boost releases when I release the accelerator. It's not a dump valve sound. Sound like my other diesels I've had in the...

Thanks for the tip.I did disconnect the hose and tried but only in neutral. Did also try with the MAP plug disconnecte. No difference. I will try to run the car on the road tonight without the hose connected. My money is on the FIP but I´d love...

Hi. Thank you for your answer. I have checked all air pipes and hoses while a friend was revving the car. Looks to be in good order. I have also tried it without that big plastic pipe over the engine with the same result.

Thanks. I have not noticed any improvements with MAF unplugged. I just noticed that my Injector Actual is 0-0.75 on idle and Injector Set Point is 1.75. That offset seems to follow the revs... Needle lift is within 40 to the RPM. It says timing...

Hi! I´m a new owner of a P38 2.5 auto 1999. I have read as many threads that I could find here before posting. I bought it as a non runner and the previous owner had replaced the MAF sensor, in-tank pump, fuel and air filters, injector number 4...