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HELP my MQ shorty wont turn off.

Tech Talk for Nissan owners.

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Posts: 12
Joined: Sun Mar 21, 2010 9:08 pm
Location: Melbourne

HELP my MQ shorty wont turn off.

Post by johnnno004 »

Could it b the injection pump control motor? Could there b a fuse causing the problem? The pump control motor keeps ticking over causing the engine to cut off then fire back up. Does anybody out there no whats happening? cheers.
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Joined: Sun Dec 06, 2009 2:03 pm
Location: QLD

Post by nerida67 »

not sure if its relevate to u
my first 24v mq wouldnt turn off properly either
the problem was there wasnt 24v power to turn it of
so we had to stall to stop
i fixed the problem with 2 new batteries
never played up after that
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Joined: Fri Apr 02, 2004 12:01 pm
Location: Central Victoria

Post by Patroler »

cbf typing it again, but have a look at what i typed here, sounds similar, maybe the contacts and plugs ont he control unit could use a clean?
Sounds like it has power if its turning over the little motor.
http://www.outerlimits4x4.com/ftopic203 ... highlight=
There are no stupid questions, but there are a LOT of inquisitive idiots
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Post by mickyd555 »

I assume this is an SD33??

Commen problem on both this engine and the 4 cyl version the fuel shut off solinoid shits it self and the easiest fix is to fit a manual lever to cut the fuel. A bonnet release cord or similar is normally used.
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Post by Patroler »

mickyd555 wrote:I assume this is an SD33??

Commen problem on both this engine and the 4 cyl version the fuel shut off solinoid shits it self and the easiest fix is to fit a manual lever to cut the fuel. A bonnet release cord or similar is normally used.
Had a shoelace tied from the injector pump lever thru to the radio ariel bracket on the A pillar once, want to stop the car just reach out the window and pull the string :) Was pretty easy to pull the solenoid apart and clean the contacts - worked after that fine!
There are no stupid questions, but there are a LOT of inquisitive idiots
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Post by anzac »

last time I had this problem was a couple of french back packers POS that I felt sorry for.

Just put a switch in the power to your coil. Flick the switch and with no spark, engine can't run. Also made for a handy immobiliser.

That is assuming it's a petrol one.
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Post by anzac »

sorry, just re read your post more carefully.

don't pay attention to my post please

good luck though.
Beaut Utes and 4x4's - Driving your dollar further off road

Call Matt - 0411 563 300

[url]beautute.com.au[/url]
lockers, tyres, tube bar work, ute chops
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Joined: Sun Mar 21, 2010 9:08 pm
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Post by johnnno004 »

No its a turbo sd33t. How do i tell if its a 24 volt or a 12 volt? its a 84'?
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