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Home > Technical > Long Crank Before Start No Codes NOW FIXED. |
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gasman Member Since: 02 May 2013 Location: Tyneside Posts: 893 |
Back in the early part of this year I posted a problem with my 09 diesel Freelander having poor starting when its been standing.
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4th Dec 2021 10:37 am |
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gasman Member Since: 02 May 2013 Location: Tyneside Posts: 893 |
Thanks for the suggestions.
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4th Dec 2021 11:15 am |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 3133 |
The manual says the glow plugs sense Coolant Temperature, not Air Temperature.
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4th Dec 2021 2:20 pm |
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Lightwater Member Since: 21 Aug 2014 Location: Sydney Northern Beaches Posts: 4906 |
You have said you have replaced the battery. Have you nevertheless tried a jumpstart. It will narrow the list of possibilities. You could have a replacement dodgy battery. Procrastination, mankind's greatest labour saving device!
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4th Dec 2021 2:29 pm |
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gasman Member Since: 02 May 2013 Location: Tyneside Posts: 893 |
Hi Ian
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4th Dec 2021 2:32 pm |
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gasman Member Since: 02 May 2013 Location: Tyneside Posts: 893 |
Hi Lightwater
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4th Dec 2021 2:38 pm |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 3133 |
I wonder if there is a clue here - by watching the glow plug indicator, when starting from your extreme cold (non starting) temperatures. Also is your Coolant Temperature Sensor giving out the correct signal? I know these are long shots, but you say everything normal has been tried. FL2 XS SD4 Auto 2010 2012-2017 (21k - 91k miles) (MY2011) FL2 Metropolis SD4 Auto 2014 2017- (16k - 77k+ miles) (MY2015) Metro in its 11th Year of (Extended) LR Warranty / Full LR Service History (Expensive, but Trouble/Worry free - hopefully?) |
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4th Dec 2021 3:14 pm |
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gasman Member Since: 02 May 2013 Location: Tyneside Posts: 893 |
Hi Ian
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4th Dec 2021 4:18 pm |
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I Like Chips Member Since: 25 Jun 2017 Location: Ascott Under Wychwood Posts: 1540 |
Another thought the glow plugs are the correct ones for the car?
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5th Dec 2021 12:00 pm |
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gasman Member Since: 02 May 2013 Location: Tyneside Posts: 893 |
Glow plugs are the correct ones as they worked before this fault.
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5th Dec 2021 1:54 pm |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 3133 |
Looked at what the Manual said about cranking without starting.
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5th Dec 2021 3:36 pm |
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AndyP Member Since: 09 May 2007 Location: Reading Posts: 101 |
It would be great to be able to view the pulse width of the injector drive as it cranks and then fires. Apart from hanging a scope on there is there another way to get that data from the ECM? I would assume that the ECM is processing all sorts of sensor inputs to determine the fuel ratio. Given there is little that can restrict the air intake (assume the throttle body isn't lazy in its re opening) I suspect that even if we saw that it took a while for the ECM to open the injectors long enough the problem remains as to why the ECM is doing that? Brings you back full circle to connections and earths given all the applicable sensors have been changed, but why after what you say is an almost reliably long crank? |
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5th Dec 2021 5:24 pm |
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gasman Member Since: 02 May 2013 Location: Tyneside Posts: 893 |
Thanks for the input.
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5th Dec 2021 5:38 pm |
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ozjeff62 Member Since: 28 May 2018 Location: Sydney, NSW Posts: 494 |
FWIW this sounds very like my vehicle. Some starts are instant, others are uo to 10 seconds of cranking, which seems like forever.. No "solution" thus far, but it does start and runs well. I'm learning to live with it, I have spent a lot of money on the beast in the last year. MY11 SD4 SE Auto |
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6th Dec 2021 5:37 am |
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