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1998 Pathfinder hesitation

Tiny
BIOMEDJ
  • MEMBER
  • 1998 NISSAN PATHFINDER
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
I have a 1998 Pathfinder LE that hesitates when I attempt to accelerate hard (eg. Freeway onramp) or when it I am pulling a heavy load. When I let up a little on the throttle, the revs pick right back up. What does this mean?
Thursday, March 24th, 2011 AT 8:52 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you have a check engine light and when was last tune-up-don't recall get one and see what happens-

Could be caused by one of the following below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard it and keep testing.
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Thursday, March 24th, 2011 AT 9:09 PM

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