Engine problem (was Flywheel problem and was Fuel injector 1.6 Blue HDi)

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Paul-R
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Re: Engine problem (was Flywheel problem and was Fuel injector 1.6 Blue HDi)

Post by Paul-R »

GiveMeABreak wrote: 23 Jun 2020, 10:56This shows injector coding for the EDC16C3 / EDC16C34 ECU. I know you have a EDC17C60 Engine ECU that is also a Bosch, but the coding info should still be relevant.
That certainly helps. It's interesting that there are 2 types of injectors:
• 1st generation with 8 characters
• 2nd generation with 9 characters
as my injectors have 10 characters implying they are 3rd generation maybe?

There also seems to be some confusion about whether my injectors are Bosch or Siemens. Back at the beginning of the thread Marc said that they were Bosch but the diesel specialist I spoke to in Chester says they are Siemens. Apparently Siemens injectors have the leak-off on the top and Bosch are on the side. Not that it matters in the end as long as I get the same part number.
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Re: Engine problem (was Flywheel problem and was Fuel injector 1.6 Blue HDi)

Post by GiveMeABreak »

The Engine ECU is a Bosch Paul, as are the injectors - at least that was what was factory fitted: (7) Part 9802776680:
Paul Injector.PNG
He has the incorrect engine - Siemens were fitted to the DV6C - yours is a DV6FC which have Bosch ones fitted.
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Re: Engine problem (was Flywheel problem and was Fuel injector 1.6 Blue HDi)

Post by RichardW »

The last digit looks a different size / font, so yours are perhaps 9 digit. You should also replace the clamp on the injector - there have been instances of the actual clamp breaking after an injector is changed! When I coded injectors on our C4 GP with the original DV6 engine, I had to enter codes for all 4 injectors, so you need to write them all down - it's also quite difficult to tell some of the numbers and letters apart (e.g. on yours, is that last figure a B or an 8???) - but as I recall it was expecting a letter or number so wouldn't accept the wrong choice.
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Re: Engine problem (was Flywheel problem and was Fuel injector 1.6 Blue HDi)

Post by Paul-R »

Yes, I would class the number as 9 digit with an extra 10th if needed. The last character?** Good question I'll have to be careful on this for the replacement injector. This is ultimately irrelevant though as this is the injector I'm going to change!

I'm just about to order some new clamp bolts but I hadn't heard about the clamps fracturing before. Now I'm worried! I also didn't know about needing all injectors' codes. That could prove interesting.

The diesel specialist didn't have any new injectors in stock. He didn't recommend a recon one as, in his experience, the part that fails (the coil) isn't available as an individual part. He checked with Bosch in Germany and they're also out of stock and their estimated date for stock was the 26th of August! So, I've had to go for a S/H one and I decided to get a set of four on a just-in-case basis.

**I've had a close look at the photo and I think it's a B. If you look at the group of character on the top right, the second line character third along is an 8 but is stylistically different to a B.
As I get older I think a lot about the hereafter - I go into a room and then wonder what I'm here after.

Inside every old person is a young person wondering what the hell happened.

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Re: Engine problem (was Flywheel problem and was Fuel injector 1.6 Blue HDi)

Post by Paul-R »

Finally got the job done today. All the parts had eventually arrived - the clamp bolts took a week** from when I first ordered them - and then the bad weather set in. So, dancing in and out of the rain, today I completed the job.

First of all I tried to clean the oil from off the surfaces. I removed the air filter box to give better access and then stippled the degreaser in. What has happened to degreasers since I bought a 20l drum thirty odd years ago? That was like Jizer insofar as it dissolved the oil and then you could either blow the liquid off and let it dry or rinse it away with water. This stuff I bought (Carplan degreaser, not cheap, £28.50 for 5l) was more like Gunk and left things a bit slimy. Anyway, no chance of changing it so I persevered. After rinsing with water then blowing dry with an air line.

The actual swap-over was relatively easy and quite logical to do. Back in the day I used to have two blowing off guns: one a normal pistol type and the second a modified pistol with a piece of brake tube to extend the nozzle into deep recesses. I could have done with that second one today! Still, it was just a matter of being rigorous with the paper towels to mop up any oil, water or dirt. Then wiping down inside the injector recess to ensure a clean mating surface. Finally inserting the replacement injector and connecting everything back up.

Inside the car I fired up the Diagbox and changed the code to suit the replacement. Only nine of the ten characters were accepted and then it was into clearing the errors logged. Wonderfully, the injection ECU permanent error disappeared.

Then out for a run to check. A few hiccups and gulps, which I put down to air in the pipes, and then everything fine. Back home, into Diagbox to look for errors logged and nothing was back.

Happy bunny. We can now go away on holiday in it.

**I phoned the dealer up on Monday to see what had happened to the bolts. They told me that they were an independent Ford dealer and the new system they had involved sending the order onwards to Ford's warehouse in Daventry where it would then be despatched. They would put a query in about the bolts and let me know on Tuesday about 11:00am.

They phoned me up to say that they couldn't confirm what had happened but would put a special order through FOC to replace the parts. And put it on express to get it to me ASAP.

The bolts then arrived the next day! I phoned them up but they said I would probably end up with another set of bolts and if I did to keep them.
As I get older I think a lot about the hereafter - I go into a room and then wonder what I'm here after.

Inside every old person is a young person wondering what the hell happened.

"Trying is the first step towards failure" ~ Homer J Simpson​
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Paul-R
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Re: Engine problem (was Flywheel problem and was Fuel injector 1.6 Blue HDi)

Post by Paul-R »

I did some screen shots showing before and after fuel circuit information.
Scan_20200706.jpg

This is the engine at tickover. The engine had been run recently so was slightly warm to start off with. The correction for No 2 injector is quite a bit higher confirming that it needed replacing.

Scan_20200706_2.jpg
I then increased the engine speed to about 2400rpm. The corrections for injectors 2), 3) and 4) then seemed to fall more in line with each other. Injector 1) did seem to rise above the others though. I'll be honest that I'm not sure what this means though.

Scan_20200706_3.jpg
This after the injector change. Engine was still at atmospheric temperature. Injector 2 correction has dropped right down, in fact it's now the lowest of the four. It almost makes the others look high!

I went for a short trip into town today, literally a couple of miles each way, and the engine hiccupped once. Now I may be hyper about this but now I'm worrying about the other injectors, specifically No 1).
As I get older I think a lot about the hereafter - I go into a room and then wonder what I'm here after.

Inside every old person is a young person wondering what the hell happened.

"Trying is the first step towards failure" ~ Homer J Simpson​
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Paul-R
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Re: Engine problem (was Flywheel problem and was Fuel injector 1.6 Blue HDi)

Post by Paul-R »

Paul-R wrote: 05 Jul 2020, 22:03I phoned them up but they said I would probably end up with another set of bolts and if I did to keep them.
Lol, a second bag with bolts has just arrived. Express delivery - three days!
As I get older I think a lot about the hereafter - I go into a room and then wonder what I'm here after.

Inside every old person is a young person wondering what the hell happened.

"Trying is the first step towards failure" ~ Homer J Simpson​
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