1998 Nissan Altima My car takes a while to accelerate, What

1998 NISSAN ALTIMA
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JCAESAR228
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  • 1 POST
1998 Nissan Altima All Wheel Drive Automatic 65000 miles

As im on the highway I have to press the gas REAL hard for my car to move faster. Can you tell me what could be wrong and what i may need to fix.
Feb 16, 2010 at 11:04 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Inspect and test all the following listed below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle 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.
Feb 16, 2010 at 11:06 AM
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