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Thread: RR 2009 TDV8 hissy fit

  1. #1
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    RR 2009 TDV8 hissy fit

    Hi all,

    We purchased a 2009 TDV8 Vogue a few months ago and it is the most amazing Land Rover I have owned. We have driven it from Brisbane to Melbourne and back and locally and it has been faultless and wonderful. Last weekend coming back from Rockhampton, we were overtaking on the highway up a reasonable hill. I gave it a boot full to get past the traffic before the end of the overtaking lane and just after we pulled back in front of the overtaken vehicles, all hell broke loose. Firstly we had an engine fault warning message and the car lost power. Then we had a suspension fault warning, gearbox fault warning, park brake warning and possible others that I didn’t see while trying to find somewhere to pull over with a truck up our bum. We pulled over and I had immediate thoughts of waiting for a tow truck and trying to get back to Brisbane, which was still 300km away. I used to own a P38 Rangie, so it was a familiar emotion! My assumption was that we had blown a fufu valve or something. The combination of fault messages made no sense to me.

    Anyway, once pulled over, I turned the engine off, waited a few seconds, started it and all was absolutely fine. No messages, no beeps and bongs and the car ran perfectly all the way home and has continued to do so ever since.

    I am wondering if a phone that was sitting on the centre console slid back and bumped the Terrain Response knob or the suspension switch or something, and as we were doing over 100kph, it just didn’t know what to do. Is that a possibility? I would appreciate your thoughts. It will be interesting to see if there are any codes next time it goes to the mechanic.

    Thanks,

    Freddie

  2. #2
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    Quote Originally Posted by Freddie View Post
    Hi all,

    We purchased a 2009 TDV8 Vogue a few months ago and it is the most amazing Land Rover I have owned. We have driven it from Brisbane to Melbourne and back and locally and it has been faultless and wonderful. Last weekend coming back from Rockhampton, we were overtaking on the highway up a reasonable hill. I gave it a boot full to get past the traffic before the end of the overtaking lane and just after we pulled back in front of the overtaken vehicles, all hell broke loose. Firstly we had an engine fault warning message and the car lost power. Then we had a suspension fault warning, gearbox fault warning, park brake warning and possible others that I didn’t see while trying to find somewhere to pull over with a truck up our bum. We pulled over and I had immediate thoughts of waiting for a tow truck and trying to get back to Brisbane, which was still 300km away. I used to own a P38 Rangie, so it was a familiar emotion! My assumption was that we had blown a fufu valve or something. The combination of fault messages made no sense to me.

    Anyway, once pulled over, I turned the engine off, waited a few seconds, started it and all was absolutely fine. No messages, no beeps and bongs and the car ran perfectly all the way home and has continued to do so ever since.

    I am wondering if a phone that was sitting on the centre console slid back and bumped the Terrain Response knob or the suspension switch or something, and as we were doing over 100kph, it just didn’t know what to do. Is that a possibility? I would appreciate your thoughts. It will be interesting to see if there are any codes next time it goes to the mechanic.

    Thanks,

    Freddie
    Sorry can’t help with the issue,someone will be along with more knowledge than me.
    If you plan on keeping the vehicle for a while,you need to get a GAP tool and keep it in the car,particularly if doing trips.
    They are invaluable,so you can check codes,reset codes,etc,etc.
    Without it you are going in blind,with no idea of the problem.
    Paul

    D2,D2,D2a,D4,'09 Defender 110(sons), all moved on.

    '56 S1,been in the family since...'56
    Comes out of hibernation every few months for a run

  3. #3
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    It's unlikely that it was caused by any change to the traction control settings.

    Most likely what you have experienced is what some call a "cascade fault", it's not really a common term but I think best describes it.

    What has possibly happened is that 1 system or sensor has failed, reverting that system to a failsafe or limp home setting, then the subsequent systems relying on data from the failed one, also fail as they aren't getting the info they need to operate correctly, causing the cascade scenario.

    I.E. one high level system has a failure, the fault cascades through everything, but in reality there is only 1 "real" fault.

    I'd be leaning towards a fuel system error.

    You need to get a tool to scan for errors before proceeding.

    Cheers
    James

  4. #4
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    after the description it could be overboost, egt's, mates TD6 did the same towing up Toowoomba Range, turned it off and it restarted like a new one.
    GAP tool for the win...
    "How long since you've visited The Good Oil?"

    '93 V8 Rossi
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    '16.5 RRS SDV8
    '21 to Infinity and Beyond!


    1988 Isuzu Bus. V10 15L NA Diesel
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  5. #5
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    Has anyone worked out a way to stop it happening if there is no part that is broken? Or is the point of the GAP tool that it will show a particular fault with a part that can then be replaced (although I wonder with high EGTs if that is fixable unless you monitor it in real time and drive to ensure it never gets to critical temp).? Cheers

  6. #6
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    Unlikely to be related to high EGT, most ECU setups would simply derate fuelling if estimated or actual high EGT were to occur.

    The only way to "prevent" a cascade type fault would be to change the settings in the ECU that triggered it, but it's not a solution at all.

    I.E. ECU commands HPFP solenoids to provide X fuel flow @ X rail pressure, HPFP cannot for whatever reason (faulty solenoid, blocked fuel filter etc) provide this, rail pressure sensor registers low fuel pressure... Because it is, but ECU cannot handle this as setting X should provide what is needed but hasn't, so we log "injector pressure too low".

    But that then triggers numerous failures in the auto ECU, because we aren't producing enough torque for given request, so that fails to manual shift only, then the suspension ECU realises something is amiss over the canbus and goes out in sympathy just in case...

    We can probably widen the acceptable range in the engine ECU before it logs a fault, which may stop the cascade or may not, as the auto may not be happy...but at the end of the day, the rail pressure is incorrect and the car cannot be driven like that as further damage will occur.

    Usually a restart will restore the car to reasonable performance to get home and get fixed.

    Cheers
    James

  7. #7
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    As a previous L322 tdv8 owner, absolutely agree they are an amazing all rounder.

    I also agree with the responses above, a GAP ID tool can turn confused panic into clarity very quickly. They are invaluable for such a complex beast. If you have the facelift 2009 you should have the dual canbus, if not as mentioned above a single canbus could have caused a temp comms blockage somewhere.

    It’s worth while getting someone who’s very familiar with the tdv8 to look into it further. However, the fault may have disappeared into the ether. Knights House of Rover or MR Auto are options in Brisbane if your still in these parts.
    L322 tdv8 poverty pack - wow
    Perentie 110 wagon ARN 49-107 (probably selling) turbo, p/steer, RFSV front axle/trutrack, HF, gullwing windows, double jerrys etc.
    Perentie 110 wagon ARN 48-699 another project
    Track Trailer ARN 200-117
    REMLR # 137

  8. #8
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    Freddie
    Have a look at the (passenger side USUALLY ) top intercooler hoses for a split ; usally underneath ! Under a high engine load if this occurred you would get the same indications that you have mentioned. It creates an overboost which sets off all the alarms, once you have stopped and restarted all pressures are in normal ranges and there are no issues. Cheap 20 min fix ; new hoses preferably silicon and cheaper than OEM. You will need to take the hoses off for a proper inspection, some splits can be very small and can also be under the area of the worm drive hose clamps. The other possibility is a cracked inlet manifold, again only under load, you would need a smoke test to be certain. I have had this problem, and it was caused by a cracked manifold, that needed replacing. Usually with the manifold crack you would have had a repeat of the symptoms by now. Good luck.

    Laurie
    2010 TdV8 Autobiography, D2 Td5, RRC 4 Door VM/300Tdi, RRC 2 Door V8

  9. #9
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    Thanks for all the replies. The Rangie went to MR last week for a service and they found the code P2290 (injector control pressure too low) logged. They changed the fuel filter and it was clogged with a slimy sludge, so hopefully that was it. We must have picked up a bad batch of fuel somewhere.

    Freddie

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