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Home > Maintenance & Mods (L322) > ENGINE SYSTEM FAULT?

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Zeb

Member Since: 04 Oct 2016
Location: Lincolnshire
Posts: 134

2007 Range Rover Vogue SE TDV8 Tonga Green

Been going on since last year...but with Covid, we are not talking huge mikeagea..maybe 4k? I am not convinced it is anything to worry about though I must say...just one of those quirks which will be looked at on the next service!

10th May 2021 7:23am

kgeddes

Member Since: 11 Jan 2015
Location: UK
Posts: 289

2013 Range Rover Autobiography SDV8 Causeway Grey

Thanks again zeb. Reassuring to find another FF doing the same for no apparent reason!

A bit like the P38, you learned to ignore the daily catastrophic warning messages which never came to anything!

I’m going to have the actuators checked/lubricated and I’ll report back....

10th May 2021 7:46am

Tugger

Member Since: 28 Feb 2019
Location: Scotland
Posts: 247

2009 Range Rover Westminster TDV8 Stornoway Grey

Just on the actuators - I see your readings don't have Bank 2 actuator value

Thing to do is get the live values displayed and rev it gently. You'll see the actual values follow the commanded values. IIRC from doing mine, it sits around 76% or so at idle, then when you rev it, it should drop down and the actual values on both banks should follow the commanded values (or at least try to)

One of mine was sticky and it revealed itself as the actual value staying put while the commanded value changed with revs. 09 RR Westminster 3.6TDV8 - Stornoway Grey / Black interior - now gone (sad face)
Nissan X Trail 1.6TDCi Tekna
Fiat 500 1.2

10th May 2021 11:25am

kgeddes

Member Since: 11 Jan 2015
Location: UK
Posts: 289

Thanks Tugger, I’ll have another look

10th May 2021 12:55pm

kgeddes

Member Since: 11 Jan 2015
Location: UK
Posts: 289

Tugger wrote:
Just on the actuators - I see your readings don't have Bank 2 actuator value

Thing to do is get the live values displayed and rev it gently. You'll see the actual values follow the commanded values. IIRC from doing mine, it sits around 76% or so at idle, then when you rev it, it should drop down and the actual values on both banks should follow the commanded values (or at least try to)

One of mine was sticky and it revealed itself as the actual value staying put while the commanded value changed with revs.

Noted the following readings with engine running at idle then light revving:
Boost pressure actuator Bank 1 - 0.76% down to 0.68% with revving
Boost pressure actuator Bank 2 - 0.76% down to 0.68% with revving
Commanded boost actuator control Bank 1 - 76.47% down to around 68% with revving
Commanded boost actuator control Bank 2 - 76.08% down to around 68% with revving

Does this look ok?

12th May 2021 4:55pm

Tugger

Member Since: 28 Feb 2019
Location: Scotland
Posts: 247

Looks like both actuators are moving, which is good news - don't think that's your issue. Would suggest maybe checking again in a day or two and ideally immediately after you get another ESF warning. 09 RR Westminster 3.6TDV8 - Stornoway Grey / Black interior - now gone (sad face)
Nissan X Trail 1.6TDCi Tekna
Fiat 500 1.2

13th May 2021 7:35am

kgeddes

Member Since: 11 Jan 2015
Location: UK
Posts: 289

Will do, thanks Tugger

13th May 2021 8:03am

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