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Netforce

Member Since: 15 Mar 2013
Location: Oostzaan
Posts: 12

2008 Defender 110 Puma 2.4 SW Tamar Blue

Defender td4 start issue with warm motor

Until this week, while the weather was still a bit colder, my Defender td4 from 2008 would start without issues. However, I noticed that when the motor was still warm, restarting was a bit difficult.

Now that the weather has become warmer, my Defender has difficulties starting. It takes about 10-15 seconds of starting before the motor picks up.

What could be the issue?

7th May 2024 12:02pm

Ianh

Member Since: 17 Sep 2018
Location: Essex
Posts: 1801

Have you a code reader to see if there are any diagnostic trouble codes (DTC’s) ?

It could be one of many things, VCV , cylinder head temperature sensor, crank sensor , fuel filter, injectors etc.

DTC’s or absence of DTCs helps narrow things down.

7th May 2024 1:40pm

Netforce

Member Since: 15 Mar 2013
Location: Oostzaan
Posts: 12

No DTC's.

When my garage serviced the Defender back in February, they tried to find the source of the issue, but couldn't find it. They told me that there were no DTC's.

7th May 2024 2:16pm

Ianh

Member Since: 17 Sep 2018
Location: Essex
Posts: 1801

Potentially a VCV then, they do cause all manor of problems on the 2.4 without any DTC’s being triggered. There are a lot of topics on here regarding vcv issues, how to replace them, and that you need to find a genuine source of a genuine Denso VCV.

7th May 2024 6:08pm

Netforce

Member Since: 15 Mar 2013
Location: Oostzaan
Posts: 12

OK - Thanks!
Will look into it.

7th May 2024 6:52pm

Ianh

Member Since: 17 Sep 2018
Location: Essex
Posts: 1801

Have a read of this topic, it seems to be the same issue you are having and it was the VCV. https://www.defender2.net/forum/topic82418-15.html

Worth checking with BAS to see when he has a vcv in stock, https://bellautoservices.co.uk/store/defen...our-valve/

Details of Denso part number https://www.defender2.net/forum/post872880.html

7th May 2024 11:40pm

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