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PeteCrenshaw



Member Since: 05 Aug 2021
Location: Perth
Posts: 14

Australia 2006 Defender 110 2.5 TD XS CSW Chawton White
Intermittent longer crank time when starting
Recently been having issues when starting my 110 TD5. Half the time it cranks longer than usual. Always starts eventually and drives flawlessly, but worried that it might be a sign of bigger issues to come.

I've attached YouTube videos of a normal start and the delayed start. I have a feeling it might be fuel related, so going to replace my FPR as it seems to be leaking anyway. But would be thankful for any other suggestions where to start Very Happy , esp from people who have had a similar problem!

Good start
https://www.youtube.com/shorts/rh5JBLNzNhU

Bad start
https://www.youtube.com/shorts/AVW9luPcPTw
Post #1005759 29th Aug 2023 4:22pm
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MarkBrown



Member Since: 03 Oct 2022
Location: Mid Wales
Posts: 324

United Kingdom 1983 Defender 110 Other HT Auto Keswick Green
Crank position sensor faulty??
Post #1005814 29th Aug 2023 8:28pm
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TexasRover



Member Since: 24 Nov 2022
Location: Paris
Posts: 795

France 2002 Defender 110 Td5 DCPU Chawton White
Your fuel system might be ingesting some air over time and it takes time to get the system pressurized.
Post #1005820 29th Aug 2023 9:04pm
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barbel jim



Member Since: 12 Dec 2012
Location: Northants
Posts: 1411

United Kingdom 2005 Defender 90 Td5 HT Tonga Green
I’d start with Injector washers
Post #1005970 30th Aug 2023 10:53pm
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LJMARSDEN



Member Since: 08 Jun 2021
Location: Nottingham
Posts: 283

United Kingdom 2006 Defender 90 Td5 HT Java Black
all of the above Rolling with laughter Bow down Luke Marsden

06 V8 1UZFE Defender 90

Instagram: https://www.instagram.com/defender__v8/
Post #1005974 31st Aug 2023 6:55am
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TexasRover



Member Since: 24 Nov 2022
Location: Paris
Posts: 795

France 2002 Defender 110 Td5 DCPU Chawton White
Just to clarify my earlier comment on air in the system: My Td5 had a pretty crummy fuel system with several shrink couplings and hose clips etc. It is a hot climate car so the plastic hoses go hard.

Anyhow car was running ok, but after a longer period of no use (few days) it had to crank longer to fire. Then I had the opportunity to salvage a complete fuel line system from a scrap car in much better condition. I swapped it all over (broke the old hoses at several locations in the process so that was a disaster waiting to happen). Now it fires immediately always.

Some people have also reported the fuel filter housing having fittings leaking dt corrosion of the housing.
Post #1005978 31st Aug 2023 8:12am
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1NRO



Member Since: 22 Feb 2015
Location: cumbria
Posts: 69

United Kingdom 
Changing the filter housing cured 95% of the same problem on mine. The final 5% of improvement was had when the injector seals were done. Changing the injector seals also had the effect of turning a noisy fuel pump (on initial turning of the key) into a positively quiet pump, just a nice hum rather than a veritable whine! Maybe coincidence but it was a bonus to the injector seal job, starts perfect now no matter how long it’s been stood.
Post #1005981 31st Aug 2023 8:28am
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NickMc



Member Since: 01 Oct 2014
Location: Norn Iron
Posts: 1571

Northern Ireland 2006 Defender 90 Td5 HT Bonatti Grey
I would make a gauge which can be done very cheaply now (especially if you’re going to have hoses off the replacement FPR) a gauge on eBay is about £15 and test instead of just guessing. There is plenty of threads already on here of the pressures to expect.

Hoses, regulator, pump, filter head, injectors, crap quality filters, Chinese pumps, washers, o-rings, cracked heads, cracked injector sockets, injector adjustment, fuel contamination, are just a few of the reasons.

Buy a gauge for £30 don’t throw parts at it, I’ve worked on these since they came out and you can waste hundreds guessing.
Post #1006053 31st Aug 2023 6:43pm
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Procta



Member Since: 04 Dec 2016
Location: Sunderland
Posts: 4940

United Kingdom 
as Nick MC says, get a gauge to see what the story is.

Mine started having a little trouble, cutting out last year, and the EM light come on.
It sort of fixed it self, but the later came back and bit me. Turned out it was the fuel pump failing.
Some times you got to go back to the old school diagnostics, the computer stuff, in my experience never helped me with the peugeot 306 HDI fuel system nor did it with the TD5. But a proper gauge did, with the 306, which diagnosed a Censored high lift pump in the engine bay. Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Success is 90% Inspiration and 4 minutes Preparation # you can make it!
Post #1006300 3rd Sep 2023 3:09am
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PeteCrenshaw



Member Since: 05 Aug 2021
Location: Perth
Posts: 14

Australia 2006 Defender 110 2.5 TD XS CSW Chawton White
Problem all sorted! Turned out to be the worn/pitted solenoids (see attached pic) on the starter motor. I replaced these with a $20 eBay kit and she starts beautifully each and every time. Thanks to everyone for their suggestions!


Click image to enlarge
Post #1018559 17th Dec 2023 6:23am
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