Home > Technical (L405) > Hesitation when giving it some throttle |
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D3Jon Member Since: 15 Aug 2020 Location: Lincolnshire Posts: 418 |
A few thoughts:
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22nd Mar 2024 10:03am |
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jaysta10k Member Since: 24 Aug 2017 Location: Cheshire Posts: 294 |
Hi Jon after the first initial change car running fine then only recently noticed the hesitation and bucking when pulling away giving it some throttle so had the 2 litres of oil changed but now seems to be hanging onto 2nd gear. The garage assured me only 2 litres came out as pan was left on etc.. so they put 2 litres back in so can't be under filled. Range Rover Vogue SE 4.4 SDV8 SVO Stying Pack
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22nd Mar 2024 10:07am |
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kevinp Member Since: 28 Sep 2019 Location: Telford Posts: 1196 |
My L322 is very similar mate and it seems a common issue as it's been nick named 'the suicide launch' as in it initally goes and then hesitates leaving you in harms way of other traffic.
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22nd Mar 2024 10:12am |
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D3Jon Member Since: 15 Aug 2020 Location: Lincolnshire Posts: 418 |
Might be worth getting the gearbox adaptation reset. Generally required after an oil change anyway.
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22nd Mar 2024 10:13am |
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D3Jon Member Since: 15 Aug 2020 Location: Lincolnshire Posts: 418 |
I'm not even going to ask if they've used the correct grade of oil... ok, well I've just asked it.
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22nd Mar 2024 10:25am |
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jaysta10k Member Since: 24 Aug 2017 Location: Cheshire Posts: 294 |
I will try another full gearbox oil change reset adaptions and then have the car remapped there is also a gearbox update available I have been told I have checked my eco with Iid tool and it says there is an update available so I will try this also. Its just really strange that its only holding onto gear 2nd to 3rd change all other gears changes are spot on smooth and it doesnt happen it paddle shift. Range Rover Vogue SE 4.4 SDV8 SVO Stying Pack
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22nd Mar 2024 10:32am |
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jaysta10k Member Since: 24 Aug 2017 Location: Cheshire Posts: 294 |
Hi Jon yes gearbox oil was ordered from Maltings Direct 4x4 he assured me it was the correct oil. It must be gearbox issue and not engine as im getting no fault codes and the 2nd to 3rd gear change being hesitant but not occurring in any other gear change. One thing to add I have noticed the rev needle is never smooth on the 2nd to 3rd gear change it dances about abit a sounds like a riding the clutch noise you get in a manual. Range Rover Vogue SE 4.4 SDV8 SVO Stying Pack
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22nd Mar 2024 10:49am |
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GraemeS Member Since: 06 Mar 2015 Location: Wagga area Posts: 2453 |
Is the MAP sensor clean? If the engine isn't responding as expected by the gearbox then gear changes will be affected. |
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22nd Mar 2024 11:31am |
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jaysta10k Member Since: 24 Aug 2017 Location: Cheshire Posts: 294 |
Hi I will check the map sensor but surely if this dirty or faulty I would get a fault code and the paddle gear changes would also be affected hesitation etc but they are fine. Range Rover Vogue SE 4.4 SDV8 SVO Stying Pack
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22nd Mar 2024 11:37am |
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GraemeS Member Since: 06 Mar 2015 Location: Wagga area Posts: 2453 |
No fault codes from a misreporting MAP sensor and manual changes take the decision away from the gearbox. |
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22nd Mar 2024 7:21pm |
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jaysta10k Member Since: 24 Aug 2017 Location: Cheshire Posts: 294 |
Ahh right ok I was just on the understanding that if it were an engine issue and not gearbox then the paddle shift would be hesitating bucking also if the MAP sensor was at fault I will check it to make sure thanks for info appreciate it. Also once car has warmed up no issues whatsoever with gear changes but the bucking and judder is still present when giving it some throttle when it drops a gear or two. Range Rover Vogue SE 4.4 SDV8 SVO Stying Pack
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22nd Mar 2024 8:39pm |
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jaysta10k Member Since: 24 Aug 2017 Location: Cheshire Posts: 294 |
Had this reading this eve off GAP IID tool for MAP sensor at idle after a good 50 mile run.
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22nd Mar 2024 8:45pm |
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jaysta10k Member Since: 24 Aug 2017 Location: Cheshire Posts: 294 |
Hi guys this problem was sorted after I had another transmission oil pan & filter change & TC oil changed one again the cars feels completely different no hesitation no bang on kickdown either so if anyone has same symptoms even if you have had a transmission oil & TC change done do it again but I went to a Land Rover Specialist this time so who’s knows!! Range Rover Vogue SE 4.4 SDV8 SVO Stying Pack
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30th Apr 2024 6:32pm |
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D3Jon Member Since: 15 Aug 2020 Location: Lincolnshire Posts: 418 |
I still wonder if the 1st garage used the correct transmission fluid... 1992 RR Classic 3.9 efi Vogue
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1st May 2024 8:28am |
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