• Tiny
  • Goshenia
  • 2003 FORD FOCUS
  • 4 CYL
  • 100,000 MILES

What causes your car to pulsate when pressing down on the gas. Only going away once the car is warmed up. Ford Focus.2003. What kind of price am I looking at to repair this?

Do you
have the same problem?
Saturday, April 9th, 2011 AT 1:24 PM

1 Reply

  • Tiny
  • Rasmataz

Dunno the costs it varies with location could be 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
Saturday, April 9th, 2011 AT 4:37 PM

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