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Gingerbunny

Member Since: 01 Oct 2013
Location: Wirral
Posts: 5

Td5 Starts, Runs and then cuts out.

Hi, I've got a 2000MY Td5 10P here which suddenly cut out on me while driving a few weeks ago. Since then it can be started and starts fine and revs beautifully, it can even be driven under load with no apparent loss of power, however after a period of time it cuts out and may or may not restart.

If I can get it to restart it runs for less time after each subsequent restart. Once it's died it seems that if I don't try to restart it immediately but instead leave it for 24 hours it will happily restart.

I've had a local garage look at it and it was coming up with 1-5 Injector faults and Topside switch fault which the garage thinks is down to a knackered ECU.

I've also heard it could be the Crankshaft Position Sensor, and another one was copper washer failure under the injectors.

Just wondering if anyone here has any advice.

Cheers, Luke.

12th Dec 2023 9:58am

landy andy

Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5699

2006 Defender 110 Td5 USW Zermatt Silver

Run the priming process on pump. How does pump sound?

Any of the relays under seat getting hot? Burnt terminals?

Any vacuum when you take fuel cap off?

12th Dec 2023 10:06am

Mdm

Member Since: 11 Sep 2013
Location: Sunny Lancashire
Posts: 1599

the fault code read points to a poorly ecu but double check wiring first or try a spare ecu and you'll soon know if the issue disappears.

crank sensor faults are normally different to what you have described

same goes for worn out injector washers and your fuel level would be rising if they were that bad.

12th Dec 2023 12:37pm

Gingerbunny

Member Since: 01 Oct 2013
Location: Wirral
Posts: 5

Thanks for the help so far, the fuel pump sounds fine, can't see any damage to relays etc and none seem hot. Unfortunately I don't have a spare ECU to try; I'm going to send this one off to be repaired see how I get on then. Cheers, Luke

[/quote]

21st Dec 2023 12:12pm

BaronDefenders

Member Since: 28 Jun 2019
Location: London/Cotswolds
Posts: 896

2004 Defender 90 Td5 CSW Santorini Black

I’m afraid topside fault means the ECU has met its end.

Your options are either to send your current ECU away for repair or source an entire replacement. Charlie

1949 Series 1 80 (SOLD)
2002 Td5 90 (SOLD)
2008 Freelander 2 (SOLD)

1958 Series 2 88 Pastel Green (2019 LR Legends Best Restored)
1983 V8 110 Limestone (Previously owned by Tom Sheppard MBE)
2004 Td5 90 Santorini Black (Td5INSIDE Powered & Rebuilt by CSK)
2012 Puma 110 Zermatt Silver (Overlanding Build)

Instagram: @BaronDefenders

21st Dec 2023 12:24pm

Benny

Member Since: 03 Nov 2016
Location: Plymoth
Posts: 15

Hi. I had ecu issue. Tamar electronics in Ivybridge. I highly recommend.

5th Jan 2024 8:14am

Chris86

Member Since: 15 Jul 2014
Location: South Yorks
Posts: 789

If it's TD5 ECU related and you need it testing/repairing- Dan at Storm Tuning would be my recommendation.

He's sorted a couple of problem ECUs for our customers, and usually has stock of replacements if it's either beyond repair, or the repair is not economical to do.

Regards

Chris

5th Jan 2024 10:16pm

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