Shaunm41
Member Since: 12 Mar 2023
Location: Yorkshire
Posts: 16
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| Restricted Performance after dead battery |
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Good morning all,
I have a 2014 Discovery 4 SDV6 that’s been stood for last 8 months, occasionally started but brought up all sorts of warnings as the battery ran down. Started her up the other day to start using her again, cleared all the faults with the Gap IID tool and went on a good run to charge the battery.
All the faults have cleared and Gap tool shows no faults and the battery low warning has gone now as it’s had plenty of running to charge but the red warning triangle and the restricted performance warning won’t clear! If I run the fault clearance on the gap tool, the warning goes but instantly comes back whether engine running or not so could this be something power related?
Anyone got any ideas?
Thanks in advance
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 24th Apr 2024 9:41 am |
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Shaunm41
Member Since: 12 Mar 2023
Location: Yorkshire
Posts: 16
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Update
It’s now also bringing this up
P010D-00 (AF) Mass or volume air flow B - circuit high
At 155641 km
Triggered on 23-04-2024 18:52:41
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| 24th Apr 2024 9:57 am |
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Jamiehol
Member Since: 13 Nov 2015
Location: Ipswich
Posts: 347
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Most likely a faulty MAF but try swapping the MAFs over assuming a 3.0 diesel and see if the fault code moves.
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| 24th Apr 2024 10:40 am |
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Shaunm41
Member Since: 12 Mar 2023
Location: Yorkshire
Posts: 16
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Thanks for your reply.
I checked the live values of both MAF sensors and the readings are as follows:
Bank 1 - 0.200 g/s
Bank 2 - 213 g/s
So I would assume that means the MAF on bank 2 is faulty?
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| 24th Apr 2024 12:12 pm |
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Jamiehol
Member Since: 13 Nov 2015
Location: Ipswich
Posts: 347
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As I say I’d swap the MAFs over just to make sure the fault follows the MAF rather it possibly being a wiring fault.
The folks at Powerful have this handy video for identifying which MAF is which ?si=TDEa4Svhcj74MAI_
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| 24th Apr 2024 1:49 pm |
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