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needle



Member Since: 13 Nov 2014
Location: aberdeen
Posts: 27
Range rover sport l494 sdv6 no vacuum on bank 1

hey all , got a weird one here
Range rover L494 3.0 sdv ,2015, had a Map sensor code come up P006A-00 then restricted performance, not convinced its that as the live data looked ok , Cant hear any intake leaks , looked at the MAF live data Bank 1 nothing and reading zero, Bank 2 reading ok .
Cleared all the codes went for a run ,same again
Took the MAF out both air boxes and bank 2 sucking like a hooker on steroids but not a thing from Bank 1 completely dead, away to do a smoke test but surely to feck would hear that bad a leak , what am i missing on this bloody rangie
Post #636034 Thu Sep 21 2023 11:39am
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Disco_Mikey



Member Since: 08 Apr 2012
Location: Dundee, Scotland
Posts: 4403
United Kingdom 2010 Range Rover Sport Supercharged HSE Santorini Black

The 2nd MAF will have no reading, as the secondary turbo was not spinning. Completely normal Thumbs Up

P006A is usually a boost leak
Post #636035 Thu Sep 21 2023 11:44am
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needle



Member Since: 13 Nov 2014
Location: aberdeen
Posts: 27

even when out for a run ? was redlining at times but still nothing from maf 1 during live data
Post #636036 Thu Sep 21 2023 11:55am
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Disco_Mikey



Member Since: 08 Apr 2012
Location: Dundee, Scotland
Posts: 4403
United Kingdom 2010 Range Rover Sport Supercharged HSE Santorini Black

What diag are you using?

Generic stuff is notoriously Censored on JLR stuff
Post #636043 Thu Sep 21 2023 3:01pm
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needle



Member Since: 13 Nov 2014
Location: aberdeen
Posts: 27

Autel 808
Post #636044 Thu Sep 21 2023 3:04pm
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Disco_Mikey



Member Since: 08 Apr 2012
Location: Dundee, Scotland
Posts: 4403
United Kingdom 2010 Range Rover Sport Supercharged HSE Santorini Black

If its not a boost leak, then better diag gear is required Thumbs Up
Post #636050 Thu Sep 21 2023 6:13pm
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needle



Member Since: 13 Nov 2014
Location: aberdeen
Posts: 27

looks like its the turbo shut off valve , tried exercising it with the autel and it opened slightly then gave me some vacuum then sh*t itself again , looks like its seized shut, freed it up and seems to be ok now
Post #636051 Thu Sep 21 2023 6:22pm
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