HOW CAN I FIX THE CARS HESITATION

  • Tiny
  • dylan487
  • 1991 Subaru Liberty
  • 180,000 miles

I have replaced fuel filter

Do you
have the same problem?
Yes
No
Friday, October 21st, 2011 AT 1:55 PM

1 Reply

  • Tiny
  • rasmataz
  • Member

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.

Was this
answer
helpful?
Yes
No
Wednesday, October 26th, 2011 AT 11:39 AM

Please login or register to post a reply.

Similar Questions