Question about 1997 Nissan Pickup

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1997 nissan truck

When truck is cold it runs fine but once it warms up it starts to cut out like it is almost running out of gas. i have already replaced the fuel filter and the upstream o2 sensor and i have done afuel pressure check it was okay and put new plug wires

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  • jammer22 May 28, 2008

    the truck is driveable but once it hits 2500 rpms it starts to buck or cut out like it is running out of gas









  • jammer22 May 29, 2008

    check your maf control

  • Anonymous Mar 14, 2014

    runs ok when cold but once it warms up it cuts out and sputters really bad sometimes i can't even get it to go in gear gerks a lot. getting to much fuel

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2 Answers

Unplugging the Mass Air Sensor isn't going to tell you if that sensor is good or not. When that sensor is unplugged it throws the truck into limp mode thus running off of an entirely different set of tables and strategies. Just about any sensor can be bad, then the vehicle run more correctly with the unplugging of the Mass Air.

Just an FYI

Posted on Aug 18, 2008

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Check the fuel presure when hot or leave the fuel gage instaled and see if it drops when warm or with the problem present

Posted on Jun 01, 2008

  • fernando arevalo Jun 01, 2008

    unplug the mas air flow sensor and drive itr if it gets ok then replace sensor

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