1997 Toyota 4Runner not sure ...i need help

1997 TOYOTA 4RUNNER
177 MILES • 4 CYL • 2WD • AUTOMATIC
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HONOR WALL
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My 97 toyota 4 runner when i acelerate hesitates but yesterday i was just driving and it turned off at i light no jerk or warning i am a single mom with one job and need to find out the problem i have taken it in in the past but they just said there is nothing wrong and took my money i cant keep nickle and diming it please i think it might be the fuel presure regulator but my frind thinks its something with the air
May 1, 2010 at 10:02 AM
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RASMATAZ
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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.
May 30, 2010 at 5:59 PM