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  #1  
Old September 27th, 2010, 11:12 AM
maleger
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Marc-Andre Leger
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D90 starting help required

Hi all, so here is my little story and help request. This is a canadian 1994 NAS D90 3.9l petrol with 100000miles (160 000Kms). I need some assistance trying to diagnose the problem.

Right now: truck does not start but engine to roll-over when I turn the key

What I did:

- rebuilt alternator and starter
- replaced all spark plugs, ignition coil, distributor cap, rotor and ignition wires
- cleaned all contacts
-replace defective starter relay (yellow in fuse area)
- checked ignition key are wiring (there where a few loose connections, likely from an old alarm system installation)

Right now the instrument panel is removed. I did not put it back, but this should not make a difference.

There is a spark on the wiring when I start. Dis a step by step check of this all the way to the actual plugs, by touching the engine (as ground).

There is a smell of petrol, when engine turns over (at starting attempts).

However, the truck does not start...

Any suggestions ?
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  #2  
Old September 28th, 2010, 09:46 AM
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Gren Thomas
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possibly duff crank sensor, is the injection rail pressurised?
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  #3  
Old September 28th, 2010, 10:29 AM
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Phillip
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I dont think 14CUX trucks have a CPS.


Ive been dealing with this, I end up jiggling the wires on the coil and it fires right up. I cleaned the contacts and checked the wires and it hasnt done it in a month or so knock on wood.
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  #4  
Old September 28th, 2010, 11:37 AM
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evilfij
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Search this website for "no start" threads.

Short answer is to try to start it foot to the floor. Then try to start it foot to the floor with the MAF unplugged. Then replacing parts, start with the silver relays and connections at the coil and go from there. Follow that up with ignition module, "chicklet" resistor, pick up in distributor, ECU, etc.
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  #5  
Old September 28th, 2010, 07:06 PM
maleger
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Marc-Andre Leger
94D90 CDN#18 http://rover.leger.ca
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I'll check

OK, thanks, i'll try and let you know.
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  #6  
Old September 28th, 2010, 08:56 PM
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Robert Lynch
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also try removing the fuel pump fuse and starting - they get flooded easy and this will allow them to "dry out" and start
once running just plug the fuse back in and it will keep running
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  #7  
Old October 24th, 2010, 06:48 AM
maleger
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Marc-Andre Leger
94D90 CDN#18 http://rover.leger.ca
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Just to close on this thread, as it may be of use in the future.

Problem fixed: There was a combination of problems. The ECU, the distributor had been put on backwards (180 degre timing error), starter fuse, bad connection on rusted relay connectors, a defective ignition key assembly (loose lug in back of unit) and mis-wiring most likely following removal by previous owner of an ignition cut-off alarm system behind the instrument panel. It took 3 mechanics and 2 months to figure this all out ! In the end, Joseph, a Lebanese born canadian living in Montréal who has been working on Defenders and Land Rovers for 30+ years, fixed the problem in 2 days (+ time to get parts). Thanks to Mike Wesson (British Restoration in Sherbrooke, Québec) who sent me to this mechanic, I now have my truck back on the road after 2 months of waiting.

On the plus side, the engine now runs very smooth and I have a push-button ignition, just like an Aston Martin.
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