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2002 Mazda Protege Low idle, poor accelaration from a stop

Tiny
REFINER
  • MEMBER
  • 2002 MAZDA PROTEGE
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 100,000 MILES
My wife owns a 2002 Mazda Protege, LX with a 2.0 liter engine. The car seems to idle low when stopped at a light or stop sign. The car has difficulty accelerating from a stop and will bogs and stutters before accelerating. When driving at speed to car runs fine and seems to have plenty of power.
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Saturday, March 13th, 2010 AT 7:43 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Lack of acceleration, chugging, hesitating, bogging etc. Could be caused by one of the following below.

Inspect and test all the following listed below and get back with some results

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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Thursday, March 18th, 2010 AT 6:41 AM

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