Home > Technical (L322) > 4.4 TDV8 - Restricted performance issue on long road |
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ChrisJC Member Since: 14 Sep 2023 Location: Northants Posts: 104 |
Check the MAP sensor is not blocked with black gunge.
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22nd Apr 2024 7:15pm |
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Glaruss Member Since: 22 Apr 2024 Location: Sofia Posts: 7 |
Hi Chris,
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22nd Apr 2024 7:23pm |
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ChrisJC Member Since: 14 Sep 2023 Location: Northants Posts: 104 |
There are about 4 little holes in the bottom of the sensor. Did you clear them out?
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22nd Apr 2024 7:26pm |
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Glaruss Member Since: 22 Apr 2024 Location: Sofia Posts: 7 |
Didn't saw any holes , I guess i should take it our and clean it again! Can you suggest a good way to clean it? With spray or to poke it with something 😂 |
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22nd Apr 2024 7:33pm |
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ChrisJC Member Since: 14 Sep 2023 Location: Northants Posts: 104 |
I poked with a small piece of wire. Just to clear the holes.
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22nd Apr 2024 7:37pm |
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Glaruss Member Since: 22 Apr 2024 Location: Sofia Posts: 7 |
Thank you for the advice Chris! Will tried it tomorrow. |
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22nd Apr 2024 7:40pm |
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ChrisJC Member Since: 14 Sep 2023 Location: Northants Posts: 104 |
L405 - 4.4SDV8 Vogue
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22nd Apr 2024 7:42pm |
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JayGee Member Since: 27 Jul 2021 Location: London Posts: 3162 |
Unlikley to be the MAP sensor given the symptoms. Usual culprit for these errors when going into the 2nd turbo stage is the CSOV valve that controls the airflow to the 2nd turbo located lower right front nr the radiator esp if it's the earlier version. Plenty of info on here about it if you input CSOV into the search function. 2012 TDV8 Vogue (L322) |
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23rd Apr 2024 7:30am |
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Glaruss Member Since: 22 Apr 2024 Location: Sofia Posts: 7 |
Hi Jay,
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23rd Apr 2024 8:05am |
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JayGee Member Since: 27 Jul 2021 Location: London Posts: 3162 |
Sorry I misread your post and thought it was only over 2400rpm . Worth cleaning the MAP sensor anyway but avoid poking anything in it and just use brake cleaner spray. Proper diagniosis will need a scan from something like a GAP IID tool to get some error codes. 2012 TDV8 Vogue (L322) |
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23rd Apr 2024 8:16am |
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Glaruss Member Since: 22 Apr 2024 Location: Sofia Posts: 7 |
Okay.
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23rd Apr 2024 11:36am |
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JayGee Member Since: 27 Jul 2021 Location: London Posts: 3162 |
Get a diagnostic scan and see what faults are logged in the ECU. 2012 TDV8 Vogue (L322) |
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23rd Apr 2024 12:01pm |
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Fox889 Member Since: 04 Jun 2019 Location: Bury St Edmunds. Suffolk Posts: 680 |
Did you remember to clean the hole the MAP sensor sits in? Mine went into limp mode on the motorway at 65mph, turned out to be a blocked sensor & also the hole was full of crap! 🫣 2012 Orkney Grey Westminster 4.4TDV8 with Ivory interior.........nice! BMW R1200GS Alfa Romeo Giulietta Just one Montesa now, 349 White Wonder Austin A40 Farina MK2 1975 Morris Marina 1.8TC |
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24th Apr 2024 6:30am |
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Fox889 Member Since: 04 Jun 2019 Location: Bury St Edmunds. Suffolk Posts: 680 |
Did you remember to clean the hole the MAP sensor sits in? Mine went into limp mode on the motorway at 65mph, turned out to be a blocked sensor & also the hole was full of crap! 🫣 2012 Orkney Grey Westminster 4.4TDV8 with Ivory interior.........nice!
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24th Apr 2024 12:56pm |
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