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fuel pump problem in MQ?

Tech Talk for Nissan owners.

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fuel pump problem in MQ?

Post by drive it »

i'v just recently brought a MQ and found when i go off road the fuel pump starts screwing up and starves the engine of fuel its hade a pritty dirty fuel tank as i found out after changing the fuel filters and 200km later they hade a decent amount of dirt in the pre filter. has any one hade this problem, if you have what was the problem and how did you fix it.
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V8Patrol
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Post by V8Patrol »

had this several time before on various rigs...

drain & flush tank...

fit new pre filter... its just above the twin electric fuel pumps....

replace the mesh filter in the bottoms of the 2 fuel pumps

replace the final fuel filter in the enginebay

:D
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Post by drive it »

thanx i,v got plans to pull the tank out on the weekend and clean it only problem is its a 160L tank and it takes a few extra people.

when we droped it to change the shackel bushes we found the breather hose off so there must be water and shit gitting in there from that.
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Post by slacker »

sorry drive it im not hijacking your thread but where abouts r all the fuel filters on a diesel MQ and is there any other way to flush a fuel tank out without taking it out. Does anyone recommend any diesel treatments that clean and lube up the fuel system.
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Post by Screwy »

On the diesel MQ there are only 2.
1 is screwed into the injector lines ( its a round screw up one not an inline one ) near the back of the SD33 on the same side as the injector pump and is near the firewall.

The other is just above the fuel tank at the very back of ur rig right in the middle. It is really an impossible task to change it without body lift of some sort. ( unless of course u want to drop your fuel tank ).
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Post by ozy1 »

drive it wrote:thanx i,v got plans to pull the tank out on the weekend and clean it only problem is its a 160L tank and it takes a few extra people.

when we droped it to change the shackel bushes we found the breather hose off so there must be water and shit gitting in there from that.


I had an MQ with the 160L tank, they are very large, and heavy, but managed to remove and refit it twice on my own, took a bit of farkin around but can be done.
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Post by drive it »

im looking for a standard fuel tank for my MQ so if any on wants to buy a 160 ltr fuel tank PM me (on the Gold coast)

and if any one wants to sell a standart size fuel tank for a MQ pm me
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Post by Big Red Toy »

i've got a 80lt standard out of a mk as i have a 160lt in at moment, make an offer??? i'm in melbourne thou
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Post by Screwy »

I will have a standard one for sale in under a month if interested.
Replacing it with LPG/petrol.
im in sydney but, PM me after the 20th of april :cool:
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Post by drive it »

i got a price on one from the wreckers for $88, can you better that?
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