Question about 1985 Nissan Pickup

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Fuel economy Terrible! About 10mpg city or hwy. Fixed all the obvious stuff (vac lines, tune up etc). It has the Z24s, 8 plug motor in it. Runs a little rough til she's good and warm but smooths out and runs well. I gave this to not being TBI. Bought a Chiltons and while helpful in a lot of areas, economy isn't one of em. It's all stock from the rubber to the steering wheel. No mudders or lift kit of any kind. Is it possible for the 02 sensor to cause this? Any insight will be greatly appreciated!

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  • Nissan Master
  • 14,337 Answers

I Keith,I have a 85 nissan 720 4x4 king,I have over 316,000 on it,I put 208,000 on it.How many miles do you have on it,our 720's have carburators that go out and are replaced by webers unless your in California,got one on mine,runs great.Maybe one of your coils is bad.I fought my carb.till Nissan dealer said they are problemsome and they can't be rebuilt by them.

Posted on Nov 23, 2013

  • keith jarvis
    keith jarvis Mar 04, 2014

    I have had a couple of techs look at the truck. Both agree that the carb is out of whack. I found a weber carb on ebay for less than $300. Comes with everything from Red Line auto parts. Gonna order one and see if that doesn't do the trick. I'll be sure to let you know the verdict!

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Posted on Jan 02, 2017

SOURCE: 1988 Nissan Maxima/ Fuel Delivery

It might be the mass air flow sensor

Posted on Jul 14, 2008

SOURCE: 03 Altima ( 2.5 ) crank position sensor - retired ASE Master Teck

and YOU took much to long to answer --BUT thanks for your attempt -

Posted on Sep 11, 2008

frcs68
  • 1605 Answers

SOURCE: 1978 Datsun/Nissan 280Z 2

go to zcar.com ask question there. you will get answer and what to look for.

Posted on Oct 12, 2008

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