1991 Nissan Truck fuel economy poor

1991 NISSAN TRUCK
176,000 MILES • 4 CYL • 2WD • MANUAL
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DONAL
  • MEMBER
  • 2 POSTS
i have a 1600c petrol running thirsty. had carb adjustment and new air cleaner spark plugs etc
May 28, 2008 at 1:42 AM
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MHPAUTOS
  • ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
Hi there,

you will have to check all the basics, don't think that because something has been adjusted it is correct. get an exhaust reading and check for high HC's the power valve may be leaking check all tune items and make sure the float level in the carby is correct.

mark (mhpautos)
May 28, 2008 at 1:52 AM
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