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Repair

Tiny
R MURRAY
  • MEMBER
  • 2001 MAZDA MILLENIA
  • FWD
  • AUTOMATIC
There is a hesitate at first when accelerate, then it will take off as if it got a boost.I am thinking a vaccum line or bad injection. Replace
spark plugs already.
Monday, January 24th, 2011 AT 4:38 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Lack of acceleration, chugging, hesitating********, bogging, misfiring etc. Could be caused by one of the following 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.
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 and keep testing.
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Monday, March 21st, 2011 AT 1:41 AM

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