 | Home > Td5 > TD5 won't start. |
 
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| GABERCRO Member Since: 10 Mar 2016 Location: Cumbernauld Posts: 15   
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TD5 Non Starter.
Help needed. Defender 110 on a 51 plate. Manual, no air con, immobiliser or central locking. Will not start. Have replaced injector loom and flywheel pick-up sensor. Have had ECU and main engine loom tested, both okay Fuses relays and earthing points checked and working. Why won't it start. pulling what's left of my hair out. Any ideas? |
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14th Mar 2016 1:31am |
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| GABERCRO Member Since: 10 Mar 2016 Location: Cumbernauld Posts: 15
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Starter motor etc.. tip top.
Battery 6 month old. Replaced injector loom & sensor after it stopped running. Not 100% sure on the immobiliser. No battery in key. How can I find out? Turns over easily, but no smoke. ie injectors not opening. Have tested engine with NANOCOM. ECU status robust. 4 live feeds into black plug and good circuit feed from red plug to all 7 contacts at injector loom. Can test injectors and hear them click open during test. |
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14th Mar 2016 9:48pm |
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| miker Member Since: 13 Sep 2015 Location: Surrey Posts: 1776 
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How long have you tried turning it over for? Could be a fueling issue?
Try initiating a priming sequence (key to POS 2, rapidly press gas pedal 5+ times) You should hear noises from the pump in the tank! Also check security of all hoses on the fpr. |
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14th Mar 2016 10:52pm |
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| grafty99 Member Since: 15 Aug 2012 Location: North Devon Posts: 4801 
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Fuel pump failure? 2002 90 Td5 Station Wagon
1990 Vogue SE Triumph Tiger Explorer 1200 Td5 90 Thread http://www.defender2.net/forum/topic50767.html Tdi 110 Thread https://www.defender2.net/forum/topic69562.html RRC Thread http://www.defender2.net/forum/topic54492.html Instagram http://www.instagram.com/george_grafton |
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14th Mar 2016 11:21pm |
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| achuakh Member Since: 12 Apr 2012 Location: Singapore Posts: 161  
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use the nanocom to check under the Td5 engine and query the status of the ECU if it's immobilised.
This can be the one thing that stops it from starting. it will crank and feel like it's going to start, but it will not. It can happen when the system receives a short or the ECU was powered up without the 10AS or the other way round. You will need to make the ECU learn the 10AS again. The other thing is check the fuel pump if it's even running, if not check the relay for it. The defender has migrated, leaving the owner behind. |
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14th Mar 2016 11:51pm |
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| GABERCRO Member Since: 10 Mar 2016 Location: Cumbernauld Posts: 15
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Fuel lines fully bled and fuel pump functioning.
Reading from the Nanocom the ECU status is Not Immobilised. You will need to explain the 10AS to me, and its relationship to the ECU |
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15th Mar 2016 12:51am |
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| miker Member Since: 13 Sep 2015 Location: Surrey Posts: 1776
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Ooh, just thought, rollover switch? Back of the engine bay, near the middle. Will disable fuel if car is upside down, or if the switch is unplugged. Could be worth checking for continuity or linking it out.
What do you mean by relationship between ECU and 10AS? It's the alarm/immobiliser unit. It can be the decider as to whether the engine runs or not! Sounds like not in your case based on what you've said though. |
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15th Mar 2016 1:23am |
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| Screbble Member Since: 26 Apr 2015 Location: Lancashire Posts: 2197 
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Have you checked relay R8 underneath the centre fuse box? It might need a technical 'wiggle.'
Also check fuse F12 (10A) in the centre fuse box and fuse FL5 (60A) under the drivers seat. |
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15th Mar 2016 10:01pm |
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| Screbble Member Since: 26 Apr 2015 Location: Lancashire Posts: 2197
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Might make it a bit easier to fault find......
 Click image to enlarge |
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15th Mar 2016 10:12pm |
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| GABERCRO Member Since: 10 Mar 2016 Location: Cumbernauld Posts: 15
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Yip, done the roll over switch and all the relays + fuses.
Even tried rain dance in welly boots. OOOHH!  it
Will dig out the header joints this weekend and check them out. |
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15th Mar 2016 11:03pm |
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| Screbble Member Since: 26 Apr 2015 Location: Lancashire Posts: 2197
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I can understand why you are frustrated. Sorry I can't be more help.
Maybe you need Lara Croft sitting in the drivers seat? Not helpful I know, but a nice thought. Is there any remote chance there's an aftermarket immobiliser fitted that's been disturbed? Any spurious wiring in the engine bay or under the seat? |
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15th Mar 2016 11:14pm |
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| GABERCRO Member Since: 10 Mar 2016 Location: Cumbernauld Posts: 15
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I'll check that out as well this weekend. The previous owner fitted a phone cradle with a constant live feed, but removed the unit when I bought the landy. Took me ages to find it, cos the battery kept going flat.
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16th Mar 2016 9:04pm |
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| ozzy57 Member Since: 14 Feb 2014 Location: Farnborough Posts: 221 
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Do you have a good fuel flow both sides of the fpr or any way to check the pressure? It wasn't me!
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16th Mar 2016 11:33pm |
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| GABERCRO Member Since: 10 Mar 2016 Location: Cumbernauld Posts: 15
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I have fuel flow both sides of FPR, but don't know the pressure. It should run about 4 bar on the high pressure inlet. Will need to get a pressure tester to check.
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17th Mar 2016 12:45am |
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