![]() | Home > Technical (L322) > Breakdown - Mass Air Flow Sensor? (Update - Blown Turbo!) |
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Nomad Member Since: 26 Oct 2011 Location: Ringwood, Hants Posts: 300 ![]() ![]() ![]() |
Just getting off M25 yesterday after an hour on the motorway without problems or symptoms. Tried to accelerate up the off ramp. Load 'pop' sound then no acceleration and wouldn't go above 30-40mph. Whilst running it is very smooth. Just no acceleration.
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Mikey Member Since: 10 Jan 2008 Location: Dundee Posts: 1816 ![]() ![]() |
Still sounds like a turbo hose. It would be worth taking the hoses off, and checking them fully |
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Nomad Member Since: 26 Oct 2011 Location: Ringwood, Hants Posts: 300 ![]() ![]() ![]() |
Thanks Mikey.
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Mikey Member Since: 10 Jan 2008 Location: Dundee Posts: 1816 ![]() ![]() |
That's not so good then |
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Gazellio @ Prestige Cars Member Since: 22 Jan 2010 Location: Chilterns, UK Posts: 11309 ![]() ![]() ![]() |
If you unplug the MAF sensors the car will still start and run smoothly but will NOT have any power or go over about 20 mph. (Your symptoms) Not sure if this helps you though. I presume the airbox/filter and pipes are all secure and not split/loose. |
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Nomad Member Since: 26 Oct 2011 Location: Ringwood, Hants Posts: 300 ![]() ![]() ![]() |
Interesting. So it could be the MAF Sensor after all and unplugging didn't help diagnose the problem? I guess I just have to wait for the dealer to find the time to look at it and hope for the best |
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Gazellio @ Prestige Cars Member Since: 22 Jan 2010 Location: Chilterns, UK Posts: 11309 ![]() ![]() ![]() |
They are only about £75 each and take 5 minutes to fit but they rarely just stop working so it may be something related. An air leak seems most likely. |
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Nomad Member Since: 26 Oct 2011 Location: Ringwood, Hants Posts: 300 ![]() ![]() ![]() |
Thanks. I'll just have to wait and see what they come up with. Just passed the dealer this morning and by coincidence my RR was being unloaded by the AA having spent the night at Fleet Services. I'll have to wait a few days for the diagnosis and will update then. Cheers. 2012 5.0L S/C
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Nomad Member Since: 26 Oct 2011 Location: Ringwood, Hants Posts: 300 ![]() ![]() ![]() |
Just got the call from the dealer. It's a blown turbo. Probably £2,500. Hopefully it will be covered under the LR Extended Warranty. As it's over £2,000 they will probably send someone to inspect. Fingers crossed...... 2012 5.0L S/C
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Zirconblue Member Since: 16 Apr 2015 Location: Kent Posts: 1277 ![]() ![]() ![]() |
I don't see why it wouldn't be covered. Even the cheap ones cover major components like a Turbo. |
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rar110 Member Since: 09 Aug 2014 Location: Brisbane, Australia Posts: 1119 ![]() ![]() ![]() |
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Nomad Member Since: 26 Oct 2011 Location: Ringwood, Hants Posts: 300 ![]() ![]() ![]() |
Loud pop then no acceleration. Black smoke later but didn't notice it at first. Still waiting for warranty confirmation |
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marky777 Member Since: 05 Mar 2015 Location: Christchurch Posts: 141 ![]() ![]() ![]() |
Hi Nomad, is your MD Westover Christchurch or is there one in or around Ringwood? I am in Christchurch and have been using Westovers and cannot seem to find a local LR indy.
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Nomad Member Since: 26 Oct 2011 Location: Ringwood, Hants Posts: 300 ![]() ![]() ![]() |
I've been using Westover for years. Overall I'm happy with their service. Recently I've been using BLR, an Independent on the way to Poole, for oil changes etc. So far so good. They are always very busy which is a good sign.
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