1998 Nissan Hardbody Bucking on acceleration

1998 NISSAN HARDBODY
200,000 MILES
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CHRISRRR
  • MEMBER
  • 1 POST
Hi - my 1998 Nissan Truck Z24 - (4 cylinder) 8 sparkplugs starts fine, idles fine - but when driving and particularly when accelerating it bucks and loses power - when I relax the accelerator is seems fine. If I drive with accelerator minimally depressed it drives on - but the minute I depress to go on the highway or climb a hill it reacts and hesitates and bucks - any thoughts: Has recent tuneup and new fuel filter. Thanks Chris.
Oct 25, 2013 at 11:14 AM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Check the Mass Airflow Sensor-
Oct 25, 2013 at 12:29 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
As raz said, check the MAF sensor. Also, check to make sure the fuel pressure is within the manufacturer's specs. It may be weak.
Oct 25, 2013 at 5:26 PM
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