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Hdc fault transmission fault engine system fault
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Dave1983
 


Member Since: 19 Aug 2018
Location: Sheffield
Posts: 12

England 2009 Discovery 3 TDV6 XS Auto Zermatt SilverDiscovery 3
Hdc fault transmission fault engine system fault

Hi,
My car decided to throw dummy out yesterday 10 mile from home after a 200 mile trip.
It happened on the m1 when dash lit up like a Christmas tree with the faults mentioned in the title.
Turned it off restarted it, it got me home. But it's got a lot worse, I don't even have to move it now and it plays up.
I've been reading up on the known causes. So far I've changed
Brake bulbs
Brake switch
New battery
New fuel filter
Admittinley tho after changing the fuel filter I did manage to get 10 mile out of it earlier before it packed In.
On the circuit tester battery is at 12.5 volts fire it up and the volts rise to 13.7v and stay there.
If I switch everything on ie lights heater and heated windows it drops to 12.v on tickover if I rev it it goes to low 13's
To me it's the alternators knackered but there's threads where people say should be above 14v and overs saying it's mid 13's.
Can anybody share any information on this as it is doing my nut in now. Many thanks
  
Post #197539119th Aug 2018 12:42 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4579

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Have you got a diagnostic tool? If so you might start there as your battery and alternator numbers seem OK at this point.
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #197541219th Aug 2018 1:30 pm
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Dave1983
 


Member Since: 19 Aug 2018
Location: Sheffield
Posts: 12

England 2009 Discovery 3 TDV6 XS Auto Zermatt SilverDiscovery 3

Yes I've borrowed a friend's Delphi laptop this evening and got the following codes

P0087
P0088
P0101
And 2 u codes but can't remember them.
Deleted the codes went for a spin and now I have only the p0087 code back fuel rail/pressure too low
  
Post #197550019th Aug 2018 6:54 pm
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Sea Raider
 


Member Since: 01 Nov 2016
Location: None
Posts: 4450


When mine threw up those faults it was an ABS wheel sensor
Diagnostics quickly pointed out which one it was
  
Post #197550319th Aug 2018 6:59 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4579

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Dave1983 wrote:
Yes I've borrowed a friend's Delphi laptop this evening and got the following codes

P0087
P0088
P0101
And 2 u codes but can't remember them.
Deleted the codes went for a spin and now I have only the p0087 code back fuel rail/pressure too low


I'd suggest you start with checking the connections to the fuel rail pressure sensor, the MAP sensor and the MAF, as well as everything else under the engine cover! It is good practice to remove and clean the MAP sensor as it becomes clogged regularly. Nothing too challenging there so see how it goes after that.

You say you replaced the fuel filter amongst other items, did you fit a quality filter?
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #197550619th Aug 2018 7:12 pm
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Dave1983
 


Member Since: 19 Aug 2018
Location: Sheffield
Posts: 12

England 2009 Discovery 3 TDV6 XS Auto Zermatt SilverDiscovery 3

Hi sorry I've not replied I'm a lorry driver and I'm away all week. I've done the things you said and today decided to drop
The tank and change the lpfp, so cleaned tank out new pump installed new filter went for a spin and lasted 25 minutes before it packed In again. So I'm thinking hpfp now.
  
Post #197764425th Aug 2018 6:44 pm
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Narpy
 


Member Since: 18 Jul 2011
Location: Stockport
Posts: 7830

2005 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Have you fitted a genuine fuel filter?
 Mods:
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Make your own Narpy grill thread
I'm not scared, I'm outta here. 
 
Post #197765925th Aug 2018 7:31 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4579

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Dave1983 wrote:
Hi sorry I've not replied I'm a lorry driver and I'm away all week. I've done the things you said and today decided to drop
The tank and change the lpfp, so cleaned tank out new pump installed new filter went for a spin and lasted 25 minutes before it packed In again. So I'm thinking hpfp now.


I understand that you are away a lot, but the temptation to throw parts at the problem is not the best way to achieve the desired results. Sad You say you checked the sensor connections under the bonnet, but are you getting the same codes coming up? If so it really doesn't point at the hpfp. I would suggest you check again the connections, paying particular attention to the MAF (air flow meter) and MAP, as well as the fuel pressure regulator. Also, are you just reading the engine ecu? If so you will need to read all the modules and note the codes before clearing them. Take your time, check everything, and be methodical Smile
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #197767025th Aug 2018 8:09 pm
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Justin_g
 


Member Since: 22 Aug 2018
Location: Northants
Posts: 11

United Kingdom 2009 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

I’m having exactly the same issue, had the car less than 5 weeks, so far it’s had brake light switch, bulbs, new battery, fuel filter, both high and low pressure pumps, set of injector leak off pipes and it’s still the same, although I’m getting different fault codes to the one I had when it first happened. Been through every sensor on the engine and everything reads ok. Going to try a genuine fuel filter Tuesday but I’m not holding out much hope to be honest.
  
Post #197769225th Aug 2018 9:33 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4579

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Hi Justin_g, if I'm reading your post correctly that sounds like a whole lot of expense for no result! Have you the codes of the original issue, and those of where you are now? If so it might be worth considering starting a new thread as otherwise your issues and that of Dave1983 could get a bit tricky / mixed up Shocked to say the least Laughing
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #197770826th Aug 2018 12:06 am
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Dave1983
 


Member Since: 19 Aug 2018
Location: Sheffield
Posts: 12

England 2009 Discovery 3 TDV6 XS Auto Zermatt SilverDiscovery 3

Well I had my car dropped off at John Hogg diesel in Sheffield this week. And this afternoon gets a phone call
Your injectors are out of tolourence and we've found metal fragments in the fuel filter,l.
Gutted is an understatement as I'll have had it 9 month tomorrow and still 27 month left to pay on it
  
Post #197959331st Aug 2018 7:02 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4579

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

So are they suggesting a new hpfp?
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #197959831st Aug 2018 7:17 pm
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Dave1983
 


Member Since: 19 Aug 2018
Location: Sheffield
Posts: 12

England 2009 Discovery 3 TDV6 XS Auto Zermatt SilverDiscovery 3

They said tank off to flush it out flush lines new filter new pump 6 new injectors n Labour
  
Post #197960131st Aug 2018 7:20 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4579

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Censored hell, ouch!
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #197961131st Aug 2018 8:12 pm
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Daddy_pig_disco
 


Member Since: 04 Dec 2020
Location: Cheshire
Posts: 32

United Kingdom 2009 Discovery 3 TDV6 XS Auto Stornoway GreyDiscovery 3

Dave, did you get to the bottom if this? I have the same faults and have replaced the obvious culprits. Starting to look at fuel system now.
  
Post #22502538th Sep 2021 8:15 am
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