Car lost power, not speeding

1998 AUDI A4
105,000 MILES • 6 CYL • AWD • MANUAL
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JOSIBRZ
  • MEMBER
  • 1 POST
My audi a4 quattro manual 2.8 1998 has no power, it runs good, no noise or anything, but it wont speed up. Its hard to get to 20mph fast, when on neutral if you hold the gas a little the rpm will go up and down.
Feb 20, 2011 at 6:56 PM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
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.
Feb 20, 2011 at 7:08 PM
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