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Tomotomo



Member Since: 13 Feb 2018
Location: Bucks
Posts: 41

United Kingdom 

Ok thanks.
Does that mean that if there are no dtcs mentioned showing the injectors have been coded and setup correctly?
Should I just try and perform the relearn to see if it improves?

Post #752587 20th Jan 2019 1:05pm
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MK



Member Since: 28 Aug 2008
Location: Santiago
Posts: 1937

Chile 2007 Defender 110 Puma 2.4 SW Chawton White

16 digit code are on top of the injectors. You need to unplug the connectors and check if they match from what forscan tells you. See attached pic.

What issues are you having?


Click image to enlarge
 Puma 110" SW

.............................................................
Earth first. Other planets later

Post #752597 20th Jan 2019 3:06pm
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Tomotomo



Member Since: 13 Feb 2018
Location: Bucks
Posts: 41

United Kingdom 

Thanks MK
I will remove the injector connectors and Check.
I bought the vehicle as an ex power network vehicle and it runs a little louder than other defenders. I know i probably need to do the injector seals. But one is newer and shinier than the others and I wanted to check they have performed the relearn properly.
On a separate note the cylinder balance that forscan can check at idle what is that based on? As I have one a bit lower than the others.
Many thanks

Post #752840 21st Jan 2019 7:12pm
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MK



Member Since: 28 Aug 2008
Location: Santiago
Posts: 1937

Chile 2007 Defender 110 Puma 2.4 SW Chawton White

I do not know for sure but check if its remapped, DTC, condition of SVC(VCV), maf-map, etc. Having the injectors tested also helps. Puma 110" SW

.............................................................
Earth first. Other planets later

Post #752854 21st Jan 2019 7:46pm
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dcpallets



Member Since: 27 Dec 2018
Location: colchester
Posts: 18

United Kingdom 2013 Defender 110 Puma 2.2 USW Orkney Grey
FORscan

my question is can any messy around with the landrovers engine, mess anything up?

Post #752890 21st Jan 2019 9:26pm
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MK



Member Since: 28 Aug 2008
Location: Santiago
Posts: 1937

Chile 2007 Defender 110 Puma 2.4 SW Chawton White

Unlikely. But if you are not sure, dont do it. Both, Transit and Forscan forums offer lots of info. All "service" procedures throw a warning message before you decide to hit the "accept" button.

NB. I have very little experience with forscan. Puma 110" SW

.............................................................
Earth first. Other planets later

Post #752922 21st Jan 2019 10:27pm
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ozzie1989



Member Since: 25 Feb 2009
Location: Wales
Posts: 213

Wales 2010 Defender 110 Puma 2.4 USW Bonatti Grey

If you're unsure of the status of the vehicle, first check the injector codes are correct.

If you suspect the injector seals need doing then I'd do those first. It's an easy job and you'd only have to do the below again.

After all that complete both a Pump Learn and Pilot Correction.

You'll need to adhere to the instructions given when doing both, including having the engine and fuel at the right temp. I tend to take it for a good 15-20 minute run before doing either.

When doing Pilot Correction do not be alarmed but the engine will sound awful at points during the procedure. It also revs the engine for you. Do Not touch any pedals etc. during either procedure.

Both will take you approx 30 mins.

ForScan is very good and, unless you were trigger happy on the mouse, you'd struggle to cause any damage. It gives you plenty of warnings Thumbs Up Now: 2010 2.4 TDCi 110 Utility Wagon
Then: 2004 2.5 TD5 90 Hard Top (X-Tech Edition)

Post #753195 22nd Jan 2019 9:11pm
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Tomotomo



Member Since: 13 Feb 2018
Location: Bucks
Posts: 41

United Kingdom 

Thank you that sounds like a sensible way forward. Is there a way of checking for an over fueling injector using forscan? Just thinking while I am working on them is it worth fitting 4 new injectors? Just read the hole in the piston thread, or am I going overboard.
Mileage is 96000.

Post #753200 22nd Jan 2019 9:21pm
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MK



Member Since: 28 Aug 2008
Location: Santiago
Posts: 1937

Chile 2007 Defender 110 Puma 2.4 SW Chawton White

You probably need to dig if forscan shows you a short and long fuel trim option. I dont know if possible. If you are after a leaky injector better off having them bench tested. Puma 110" SW

.............................................................
Earth first. Other planets later

Post #753226 22nd Jan 2019 10:28pm
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ozzie1989



Member Since: 25 Feb 2009
Location: Wales
Posts: 213

Wales 2010 Defender 110 Puma 2.4 USW Bonatti Grey

Tomotomo wrote:
Thank you that sounds like a sensible way forward. Is there a way of checking for an over fueling injector using forscan? Just thinking while I am working on them is it worth fitting 4 new injectors? Just read the hole in the piston thread, or am I going overboard.
Mileage is 96000.


If you have lots of money in your pocket then yes, I think even recon you are looking at £300-400 per injector.

Personally, I'd number and then remove all 4 injectors and take them (carefully, not allowing anything to contact the tips) to a diesel injection specialist who can bench test them and let you know if they are ok or not. If not then buy new/recon, and then re-program and carry out the steps in my last post. Don't forget to fit new copper washers, rubber seals and o-rings to the fuel return lines.

HTH Thumbs Up Now: 2010 2.4 TDCi 110 Utility Wagon
Then: 2004 2.5 TD5 90 Hard Top (X-Tech Edition)

Post #753229 22nd Jan 2019 10:38pm
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Tomotomo



Member Since: 13 Feb 2018
Location: Bucks
Posts: 41

United Kingdom 

I have cross checked the numbers on the injectors with whats on forscan and they are correct. There is evidence of oil around all 4 injectors.
The symptoms are hard to start i get this fault. not sure if this is more relay related than glowplugs?
Once it starts it runs a bit rough, with a bit of blue smoke.
Once its warm it improves a lot. but slight knock is still there i think.
I have ordered the bits to do the injector seals.
while I wait for them to arrive,
I have captured the following on forscan apologies for the quality.

Click image to enlarge




Click image to enlarge


I remember reading on here somewhere that the idle should be bang on 800rpm.
mine fluctates a little

Click image to enlarge


any further ideas would be great help.
cheers
tom

Post #753365 23rd Jan 2019 3:15pm
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Tomotomo



Member Since: 13 Feb 2018
Location: Bucks
Posts: 41

United Kingdom 

this is the fault i get for the glowplugs


Click image to enlarge

Post #753366 23rd Jan 2019 3:16pm
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MK



Member Since: 28 Aug 2008
Location: Santiago
Posts: 1937

Chile 2007 Defender 110 Puma 2.4 SW Chawton White

Dificulties to start the engine can point to faulty injectors (general sense). Loose injectors can contribute also.

Fluctuating rpms is normal.

Are you sure the smoke is blue and not grey/white?

Anyway I would start by bench testing the injectors. Puma 110" SW

.............................................................
Earth first. Other planets later

Post #753370 23rd Jan 2019 3:55pm
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ozzie1989



Member Since: 25 Feb 2009
Location: Wales
Posts: 213

Wales 2010 Defender 110 Puma 2.4 USW Bonatti Grey

The glow plug fault could just be due to low battery. I've seen various faults like that raised before just because of low battery during cranking.

With regards to it being difficult to start, again this could be due to battery or if it's taking a long time to turn over I would suggest either an injector fault or loose injectors.

Have you checked the two injector bolts are done up OK and not loose? If they are loose nip them up for now, as leaving them loose can cause you major issues, and take it very easy if you need to use the vehicle.

This is what they can be like when you have a loose injector, note the difficulty starting at the beginning of the video, then the knocking sound:



If they are tight though don't be tempted to remove them until you have the new ones as they can't be reused and make sure you follow the workshop instructions for tightening them up after renewal. This is crucial.

Cylinder balance figures look OK but I'm no expert. I've seen higher and lower figures on engines running normally before.

Let us know how you get on Thumbs Up Now: 2010 2.4 TDCi 110 Utility Wagon
Then: 2004 2.5 TD5 90 Hard Top (X-Tech Edition)

Post #753377 23rd Jan 2019 4:26pm
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Tomotomo



Member Since: 13 Feb 2018
Location: Bucks
Posts: 41

United Kingdom 

Thanks to both of you for your help and replies.
My injectors are not loose like in the video.
They are not moving around. Didn't check the bolts as I have to remove leak off pipes to get the loom out of the way.
The smoke on start up is mainly white but if you blip the throttle it has a blue tinge. Only does this from cold.
There is definitely a slight miss going on.
Battery is brand new.
My plan now is to remove injectors, do all seals check for ballooned injector tips.
If any look different I will order new.
If all looks good. I will 're fit and try both pump and pilot learn.
Am I correct in thinking a leaking or worn injector would show up with more white smoke when hot and a large misfire.
Can a pilot learn/ pump learn sort out slight deisel knocking?

Post #753433 23rd Jan 2019 7:33pm
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