Excessive Fuel consumption

Posted in the Toyota Land Cruiser Forum

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Spaz

Canberra, Australia

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#1
Aug 19, 2007
 
Hi all,

I own a 2001 Turbo Diesel Landruiser. Just recently it started to consume more fuel than usual, and is down slightly on power. I have had it looked at by some diesel mechanics, and they checked it on a dyno, and suggested it may be the injector pump, but are guessing at the same time. Has anyone ever had the same problem or symtoms? The car has 110000 kms, and is in very good condition. All help is appreciated.

Cheers Spaz
CHRIS BYLHOUWER

Australia

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#2
Sep 30, 2007
 
Hi Spaz.
Have you received any answers yet? I have the same problem, with exactly the same year and model car. Cheers CHRIS
Dolphin37

Jakarta, Indonesia

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#3
Oct 30, 2007
 
My following recommendations are sorted by cost of preforming it (from low to high):
1. Measure the gap of all valves, and adjust them if necessary.
2. Recalibrate all nozzles in the fuel injector assembly, replace with new genuine ones if required.
3. I agree with your mechanic to service the fuel pump.
4. Check valve seating, smoothing them when necessary. This action will restore the power and fuel consumption of yor car.
Good luck.
Dolphin37

Jakarta, Indonesia

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#4
Oct 30, 2007
 
Sorry,
my previous post was for Spaz and Chris.
Regards.
sal

Greenwood, IN

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#5
Aug 17, 2009
 
I have a 1994 Altima with 54000 mi. which is only getting 5 miles per gallon of gas. I took it in for a tune-up (although the car was running as smooth as silk) and have the same problem......what could this be?

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