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Slrealm



Member Since: 31 May 2021
Location: Sudbury
Posts: 2
United Kingdom 2007 Defender 90 Puma 2.4 CSW Tonga Green
Over revving on gearchange
Hello, can anyone help me please with an issue on my Defender? It's a 2007 2.4 TDCI with very low miles. Some months ago it started flaring the revs when I change gear before they drop away. The brake light fuse is fine, I've tested the clutch sensor switch and it's working perfectly too. It only does it when driving, if I raise the revs standing still and snap close the throttle the revs drop away immediately. Had a diagnostic done, no fault codes. Can anyone suggest anything please?
Thank you in advance, Steve.
Post #905898 31st May 2021 9:32pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20487
United Kingdom 
Still sounds most likely the clutch switch, bypass it which on a Puma means so can simply make a wire loop to create a closed circuit. You cannot just unplug it like a TD5.
The connectors are 2 pole J.P.T. Connectors.

Beyond that VCV issues, then EGR, MAF & MAP Sensors. Most of these with the exception of the VCV do flag up codes though.

In your case I would concentrate mostly on clutch switch no1 and VCV no 2 with those symptoms. Thumbs Up No Guts, No Glory.
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Post #905903 31st May 2021 10:07pm
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Slrealm



Member Since: 31 May 2021
Location: Sudbury
Posts: 2
United Kingdom 2007 Defender 90 Puma 2.4 CSW Tonga Green
Thanks custom90steve,

I should have said I've already looped the clutch sensor and made no difference. Hadn't considered the VCV though so that's my next intended victim. Thanks for the advice. Thumbs Up
Post #905911 31st May 2021 10:22pm
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