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| davidblythe Member Since: 27 Apr 2019 Location: Cheam, Surrey Posts: 110  
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Lost and need help
TD5 90 with immobiliser has run and started fine all year, tonight using either key can set immobiliser and disarm immobiliser have a strong battery, engine turns over strongly but will not fire At a loss any pointers please |
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31st Jan 2020 8:37pm |
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| davidblythe Member Since: 27 Apr 2019 Location: Cheam, Surrey Posts: 110
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No it moves to cold only
where is this switch for future reference |
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31st Jan 2020 8:43pm |
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| diesel_jim Member Since: 13 Oct 2008 Location: hiding Posts: 6092  
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https://www.defender2.net/forum/post421658.html for the switch.
Could be anything really.... can you hear the fuel pump whirr when youo turn the ign on? worth wiggling the CPS (Crank position sensor), on the bellhousing, kind of underneath where the above switch is But without some form of diagnostic machine, you could be grasping at straws. Relays in the battery box are often a cause of issues... worth giving them a wiggle |
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31st Jan 2020 8:46pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5672 
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I’m sure you have tried the close all the doors, lock with remote, leave a few mins then unlock try start?
Next thought is can you hear fuel pump? If yes check clean crank sensor, refit and try. You could then try a tow start, sometimes it can be a dodgy starter putting an electrical spike doofa thing up the thingy. |
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31st Jan 2020 9:24pm |
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| davidblythe Member Since: 27 Apr 2019 Location: Cheam, Surrey Posts: 110
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yes to closing doors etc
can hear fuel pump battery voltage is 12.8v can see no oil in ecu friends solus edge diagnostic equipment showed no codes next to try crank sensor |
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1st Feb 2020 11:05am |
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| roel Member Since: 08 Aug 2009 Location: Lelystad Posts: 2039  
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What is the voltage while turning over? If it drops below 9V orso the ECU shuts down so no diesel will be injected.
Sounds to me or as mentioned one off the relays under the seat or your AS10 doesn't want to do it's thing. What you could try is disconecting the black plug from your ECU (under the seat) and plug it back. Do the same with the relays maybe a bad connection might confuse the ecu. Roel 1984 90 2.5 na Diesel - RR V8 (1994-2001) 1997 Camel Trophy Discovery 300TDI (2001-2009) 2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts. 2003 90 Td5 (2009-now) |
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1st Feb 2020 5:13pm |
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| renoclio255s Member Since: 08 Feb 2014 Location: norfolk Posts: 5 
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hi, have you got fuel in the system if so check the pressure it should be around 60psi. If not could be pressure regulator on rear right hand of head. If not try fuel filter housing there are some valves in there that removes the air from the system
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5th Feb 2020 9:49am |
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| davidblythe Member Since: 27 Apr 2019 Location: Cheam, Surrey Posts: 110
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tried a new fuel filter on the 90 and primed it with diesel, it is going through its cycle to purge air but keeps on repeating as it was doing before the filter change
having also changed the fuel filter on my 110 and it purging with 3 turns of the key and starting straight after why is the 90 not purging the air any pointers |
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5th Feb 2020 6:04pm |
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| lightning Member Since: 23 Apr 2009 Location: High Peak, Derbyshire Posts: 2740
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Faulty non return valve in the diesel filter housing?
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5th Feb 2020 6:32pm |
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| Merlin Member Since: 30 Oct 2010 Location: Newmarket Posts: 981
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Have you checked it's not the accident cut-out switch on the bulkhead?
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6th Feb 2020 3:27pm |
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| excossack Member Since: 22 Feb 2012 Location: North West Posts: 5842 
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Have you tried with a bump start? 1999 Defender TD5 110
Regards John M0VAZ Econet Station 48 no clock |
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6th Feb 2020 3:31pm |
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| Silvertoolbox Member Since: 13 Oct 2018 Location: Westhill Posts: 43
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Immobiliser battery? Or battery retainer in handset. Can break and give intermittant operation.
Think number of flashes (indicators) gives a clue re battery health. Ex scottish & southern 110 Td5 van (shed) with PTO driven winch (L-R special vehicles) Before that, Disco 1, Freelander 1, 26105382 80" with a 1600cc (not much slower) |
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6th Feb 2020 7:47pm |
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| davidblythe Member Since: 27 Apr 2019 Location: Cheam, Surrey Posts: 110
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today i disconnected the high pressure feed to the cylinder head. once the key was turned to the start position, diesel spurted continously out of the pipe, can i assume the fuel tank pump is working
i also removed the rocker cover to make sure the cam chain was rotating once the engine was cranked still no attempt to start, i need to check the crank position sensor, cant locate it at the minute any feedback appreciated |
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9th Feb 2020 5:40pm |
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| Merlin Member Since: 30 Oct 2010 Location: Newmarket Posts: 981
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Are you suspecting the alarm module? If it's the AS10 like mine I would check the 3 fuses just to be sure. Peter
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9th Feb 2020 5:49pm |
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