1991 Mazda Protege when driving

Tiny
JMEJ08
  • 1991 MAZDA PROTEGE

Engine Performance problem
1991 Mazda Protege 4 cyl Two Wheel Drive Automatic 180000 miles

Car tends to hesitate when accelerating especially when trying to get on expressway

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Monday, July 19th, 2010 AT 3:14 PM

1 Reply

Tiny
RASMATAZ
  • MEMBER

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
Knock 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 it.

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Monday, July 19th, 2010 AT 8:18 PM

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