ASD24CARS
Member Since: 20 Jan 2013
Location: Somerset
Posts: 7
  
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| Cold engine (not cold weather) starting problem |
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I bought a D3 in October last year with 155k & the fullest service history I have ever seen. However, the owner told me that the car could take a while to start sometimes when the engine was cold. The glowplugs had been tested & found to be all ok.
5 months on & the problem has remained the same as is as follows:
When the engine is cold, irrelevant of the actual outside temperature, after the glowplug light has gone out the car can crank for between 2 & 10 seconds before it starts. It starts every time & turning off & letting the glowplugs go out a second time makes no difference to the long cranking time.
Once started & within the next couple of hours it starts instantly (as normal).
Once left for more than 2 hours it can again take 2-10 seconds to start but will always start.
When it does start there is no smoke & it runs perfectly smoothly i.e. the only symptom is the slow starting (long cranking).
I have checked the battery which is about 12.6 volts before turning the glowplugs on when it drops to around 11.6. Once started it climbs to 15.4 so electrically it looks all ok.
The garage I use have suggested its injectors but surely if this was the case it would run lumpily or smoke badly? It would also cost nearly £2k if this was the problem!
Any ideas on what could be the cause?
Could it just be worn bores or something (its now on 161k)?
It's not really a problem - its more embarrassing as its cranks over.
All hep much appreciated!
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 12th Mar 2017 8:36 pm |
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Soldierboy
Member Since: 27 Jan 2016
Location: Sheffield
Posts: 728
 
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If it is the injectors why not try some engine cleaner before hand in the fuel and give it a good run out on the motorway to see if this improves in any way may save you a lot of money
But I'm sure one of the more knowledgeable members will be along shortly good luck  God created heavy armour on 06 sept 1916, on the 7th the devil stood to attention!
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| 12th Mar 2017 8:42 pm |
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M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8073
 
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First step would be to fit a new genuine fuel filter, second step diagnostics with live values, third step post them on here It can when others can't,
It will when others won't,
It goes where others don't.
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| 12th Mar 2017 9:03 pm |
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ruben
D3 Decade
Member Since: 26 Sep 2006
Location: ASTURIAS
Posts: 2382
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injectors of course!! I lived this issues in my D3, and can say it..... the smoke will came, believe me....the answer is injectors Unfortunately!! lost in translation!
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| 12th Mar 2017 10:44 pm |
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ruben
D3 Decade
Member Since: 26 Sep 2006
Location: ASTURIAS
Posts: 2382
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On the other hand, it does not have to cost 2000 pounds, you really do not know how many fail, in my case they were only 2 lost in translation!
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| 12th Mar 2017 10:59 pm |
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ASD24CARS
Member Since: 20 Jan 2013
Location: Somerset
Posts: 7
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Update:
I've now added 4 bottles of injector cleaner (Wynns & Redex) which has made the car smoother & more economical - average according to the trip computer has risen from 26.3 to 27.5mpg.
However, the cold engine starting problem doesn't appear to have improved. This morning the car started in less than 2 seconds which seemed reasonable but then tonight it took about 5 seconds.
Again I don't understand how this can be injector related.
It's booked in for a service on April 18th which will include all usual filters - air, oil, fuel etc.
Is there anything else worth changing that's low cost that may make an improvement?
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| 27th Mar 2017 10:18 pm |
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ruben
D3 Decade
Member Since: 26 Sep 2006
Location: ASTURIAS
Posts: 2382
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YES, an injector that injects too much, or drips and leaks, or an injector injecting less, in both cases, can produce a delay in the cold ignition....the point is to check it and know which one or how many are... and replace them lost in translation!
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| 27th Mar 2017 11:41 pm |
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blueanchorinn
D3 Decade
Member Since: 07 Mar 2006
Location: In a pub in Devon
Posts: 973
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Have a leak off test done on the injectors. This proved mine were faulty and new injectors has cured my starting issues which were the same as yours Pot Noodle Challenge Winner 2011
I refuse to have a battle of wits with an unarmed person
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| 28th Mar 2017 2:41 am |
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pstotty73
Member Since: 04 Feb 2018
Location: Liverpool
Posts: 6
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| Cold weather start problem. LR3 2005 |
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I had this problem last year same problem. Cold morning car is cranking but will not start,smoke
Covers the street. Try it numerous times then about 5 or 6 it will start in the end. Then be fine all day and night starting straight away.
This week got fed up and checked internet for solutions. Found a website that showed a video saying pour boiling water on a sensor in the engine ( not sure what the sensor is called though. Need to try and find out what the sensor is called to replace it ????
Car started immediately after this no problems at all and had no problems starting all day until the next day then same problem.
To gain access to the sensor you need to undo oil cap and engine cover and it is located at the front with pipes coming off it.
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| 3rd Feb 2019 6:45 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10361
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It’s the coolant sensor. But replacing it will not make your car start as the sensor isn’t faulty.
It’s fools fools the car think it’s warmer than it is.
People have fitted a resistor and switch inside rather than have pour water on sensor
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| 3rd Feb 2019 7:26 pm |
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pstotty73
Member Since: 04 Feb 2018
Location: Liverpool
Posts: 6
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Makes sense thanks
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| 3rd Feb 2019 7:38 pm |
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Sprowie
Member Since: 03 Feb 2019
Location: TAMWORTH
Posts: 5
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Is it as easy as bridging the sensor, Or does it need the resister of a certain resistance?
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| 3rd Feb 2019 8:32 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10361
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Needs a 2.2K resistor across the wires
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| 3rd Feb 2019 8:40 pm |
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Md0ne11
Member Since: 20 Oct 2019
Location: Tyne & weae
Posts: 2
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Hi just read your post as I have just started getting this problem on my disco last couple of days.
Did you get your cold start problem fixed if so how, I have seen the YouTube video where they pour hot water on temp sensor.
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| 20th Oct 2019 12:31 pm |
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FG76
Member Since: 14 Jan 2020
Location: Glasgow
Posts: 10
 
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Did you ever get the solution to this? I have the same issue and am interested to know what the best course of action is.
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| 28th Feb 2020 8:28 pm |
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