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Eau02467



Member Since: 20 May 2015
Location: Glasgow
Posts: 48
Scotland 
Engine surging when changing gears
Exactly as it says on the tin. When I change gears it takes a few seconds for revs to drop and sometimes under hard acceleration when I lift off the accelerator the engine still surges. I suspected sticking turbo actuator but it appears to move freely under test

Ps this is a 2.4 not a 2.2 so no "it's Land Rover rev hang to make gear change smoother" explanations please
Post #540054 14th Jun 2016 1:03pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17368
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
First test is to unplug the clutch switch and see if that makes a difference, No difference and you've found the problem.
Post #540064 14th Jun 2016 1:44pm
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dulwich man



Member Since: 29 Nov 2011
Location: Dulwich
Posts: 64
United Kingdom 2009 Defender 110 Puma 2.4 XS CSW Stornoway Grey
Are your bake lights working? sounds daft but if the brake fuse has blown it thinks it is in low range with associated changes to the way it is fueled.
Post #540080 14th Jun 2016 2:38pm
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Eau02467



Member Since: 20 May 2015
Location: Glasgow
Posts: 48
Scotland 
Yes brake lights working

Clutch switch seems likely as I have an aftermarket cruise control fitted that should be wired to the clutch but when clutch dipped it doesn't disengage cruise so will try that first
Post #540081 14th Jun 2016 2:44pm
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Eau02467



Member Since: 20 May 2015
Location: Glasgow
Posts: 48
Scotland 
Gets worse with clutch switch disconnected so guess we have a winner! Didn't look very closely at the switch, does it have any adjustment in it as it feels like it is just in the edge of catching at the bottom of the clutch pedal
Post #540128 14th Jun 2016 5:37pm
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