2003 AUDI CABRIOLET SLOW ACCELLERATION UNTIL 1800-2000 RPM

  • Tiny
  • richard.e.merrill
  • 2003 Audi Cabriolet

Engine Performance problem
2003 Audi Cabriolet 4 cyl Two Wheel Drive Automatic 88,000 miles

I have Slow accelleration until 1800-2000 RPM then a miss until over 2000. Everytime this occurs. I had the injectors cleaned, using 93 octane, had coil check out and apears to be ok. I am running fuel cleaner through the gas tank with no improvment.

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Thursday, July 22nd, 2010 AT 12:57 PM

1 Reply

  • Tiny
  • rasmataz
  • Member

Hi richard.E. Merrill, Welcome to 2carpros and TY for the donation

Lack of acceleration, chugging, hesitating, bogging 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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Thursday, July 22nd, 2010 AT 6:40 PM

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