COUGAR

  • Tiny
  • 051305
  • 2002 Mercury Cougar
  • 6 CYL
  • FWD
  • automatic
  • 145,000 miles

Why is my 2002 Cougar sputtering?

Sunday, November 28th, 2010 AT 2:57 AM

1 Answer

  • Tiny
  • rasmataz
  • Member

Lack of acceleration, chugging, hesitating, jerking, 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.
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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Sunday, November 28th, 2010 AT 3:18 AM

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