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DISCO3.CO.UK > Faults & Fixes (D4)

Missfire and rough running advice plea
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Leesbay
 


Member Since: 19 Dec 2011
Location: rainford
Posts: 1581

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Weedyapl tomorrow i am trying a reflash of the ecu to see if that helps. I am just waiting for GAP to send a fresh file to install via my iid👍
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If my wife ever sells my stuff for what she thinks I paid for them, you lot are gonna get some bargains! 
 
Post #188879210th Dec 2017 10:12 pm
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Leesbay
 


Member Since: 19 Dec 2011
Location: rainford
Posts: 1581

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Ecu flashed with latest firmware problem still there😢
So to date the following has been addressed

New dual mass flywheel/clutch
6 new injectors
New fuel filter
Oil temp sensor
Coolant sensor
Air mass tested
Map sensor tested

Still missfires and runs like crap
On cold start it actually fires up better and gets a bit worse as it warms up
No other fault codes other than injectors, the value of balance changing from cylinder to cylinder over time

Next step to come to an arrangement on the injectors which ive already paid for and get the d3 back for Mick Cookson to cast his eyes over, im out of ideas and so is the diesel injector specialist its been with fir nearly a month
Well Censored off with it, but still love it, i must be mental




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If my wife ever sells my stuff for what she thinks I paid for them, you lot are gonna get some bargains! 
 
Post #188916811th Dec 2017 7:48 pm
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Gareth
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Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26775

United Kingdom 

I’m not sure what I’m talking about because I’ve never taken a D3 engine apart like others on here.

If you have had a new clutch and flywheel, could the crank position sensor or trigger ring have been damaged or be loose?

Might be a load of ballcocks but might explain why it’s so random?

Like said, engine only needs compression, air and fuel at the right time to run.
  
Post #188920811th Dec 2017 9:09 pm
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Gareth
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Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26775

United Kingdom 

Sorry just re read the thread, and it’s already been suggested and discounted. Feel your frustration Lee.
  
Post #188921011th Dec 2017 9:13 pm
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Leesbay
 


Member Since: 19 Dec 2011
Location: rainford
Posts: 1581

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Thanks Gareth hope you are well👍
The dmf/clutch was done after the problem of the misfire started and was though to be the initial cause
That doesnt rule out a potential sensor problem though however to date ive had no dash lights and only fault codes after twenty scans so far are all injector related. Somethings wrong somewhere and its so annoying that it cant be found
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If my wife ever sells my stuff for what she thinks I paid for them, you lot are gonna get some bargains! 
 
Post #188921211th Dec 2017 9:13 pm
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Gareth
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Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26775

United Kingdom 

I’m Very well Lee.

Hope Flack can come up trumps! Would be a bit emabarrasing to miss Icefest Wink
  
Post #188921511th Dec 2017 9:16 pm
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Leesbay
 


Member Since: 19 Dec 2011
Location: rainford
Posts: 1581

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Had some guidance from Pat@gap who has been a star over the past few days👍
How easy is it to change the engine ecu injector loom (if i get a 2nd hand one)??
Anyone done it?

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If my wife ever sells my stuff for what she thinks I paid for them, you lot are gonna get some bargains! 
 
Post #188922511th Dec 2017 9:49 pm
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Leesbay
 


Member Since: 19 Dec 2011
Location: rainford
Posts: 1581

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Gareth wrote:
I’m Very well Lee.

Hope Flack can come up trumps! Would be a bit emabarrasing to miss Icefest Wink

Gareth if it means turning up in my phev and taking some Censored i shall be there👍
 ....................................................................................................


If my wife ever sells my stuff for what she thinks I paid for them, you lot are gonna get some bargains! 
 
Post #188922711th Dec 2017 9:52 pm
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Gareth
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Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26775

United Kingdom 

... I'll bring the tow ropes. It will be fun dragging it around the lanes. Hope it's not got side steps!
  
Post #188924511th Dec 2017 10:39 pm
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Leesbay
 


Member Since: 19 Dec 2011
Location: rainford
Posts: 1581

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Nope but it does have 500kg of belly fat aka battery on it that hangs a bit toooo low😳
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If my wife ever sells my stuff for what she thinks I paid for them, you lot are gonna get some bargains! 
 
Post #188924611th Dec 2017 10:42 pm
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dlgis
 


Member Since: 02 Oct 2015
Location: Tunbridge Wells
Posts: 398

United Kingdom 2012 Discovery 4 3.0 TDV6 GS Auto Indus SilverDiscovery 4

I had a misfire on a track car that was a pig to diagnose as it only happened when the car was really warmed up, never on public roads or on warm up laps. Turned out that one of the leads to an injector was wearing through with only a few wires left. Enough to drive fine under normal drving but to misfire under track conditions.
Just a thought Sad
 D4 GS 12MY  
Post #188926811th Dec 2017 11:45 pm
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Leesbay
 


Member Since: 19 Dec 2011
Location: rainford
Posts: 1581

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Dlgis wish it was petrol buddy, but my d3 is diesel, no coil packs, spark plugs, distributors or ht leads! Oh the good old mk 1 escort days😃😃😃
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If my wife ever sells my stuff for what she thinks I paid for them, you lot are gonna get some bargains! 
 
Post #188927011th Dec 2017 11:49 pm
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The_Bay
 


Member Since: 21 Oct 2016
Location: wiltshire
Posts: 38

United Kingdom 

i know this is a couple weeks old now but did you ever get to the bottom of it?
  
Post #18976724th Jan 2018 11:00 pm
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Leesbay
 


Member Since: 19 Dec 2011
Location: rainford
Posts: 1581

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Nope, i traded it in for a VW😥
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If my wife ever sells my stuff for what she thinks I paid for them, you lot are gonna get some bargains! 
 
Post #18976754th Jan 2018 11:05 pm
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