2001 Nissan Sentra engine surging

Tiny
MYMIKEE1TIMEONLY
  • MEMBER
  • 2001 NISSAN SENTRA
Engine Performance problem
2001 Nissan Sentra 4 cyl Two Wheel Drive Automatic 80 000 miles

car was working great till this mourning when engine started surging. Car will idle smoothly for any amount of time but will start surging once gas pedal is pushed
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Friday, May 28th, 2010 AT 5:54 PM

2 Replies

Tiny
RASMATAZ
  • MEMBER
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.
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Saturday, May 29th, 2010 AT 1:27 AM
Tiny
ANOMALYCHICK
  • MEMBER
I dont have a 2001, I have a1997, but I had the same problem, and it was ridiculously simple. My engine would idle normally when I started it, but if I stepped on the accelerator, it would keep giving gas like if if I was driving even if I put it in park. Nobody knew what was wrong with it, and kept telling me to replace these ridiculously expensive things. The idle air control valve on foreign cars rarely goes bad, but nissans are not the cleanest burning things. The IAC can become clogged, and get stuck in the open position. Its attached to the top of the throttle body. Unscrew it, and clean the metal piece on the head with some carburator cleaner. When its dry, reattach it. It should stop sticking.
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Thursday, July 8th, 2010 AT 2:33 PM

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