2005 Nissan Pathfinder

2005 NISSAN PATHFINDER
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SWW045
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  • 2 POSTS
Engine Performance problem
2005 Nissan Pathfinder 6 cyl Automatic 63000 miles

my car doesnt go more than 20 mph it looses power after that .i changed the fuel pump changed the sparks .checked the air flow meter
Jun 27, 2010 at 1:07 PM
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RASMATAZ
  • CERTIFIED EXPERT
  • 75,992 POSTS
Possibilities: Inspect and test all the following listed below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
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
Jun 27, 2010 at 6:47 PM