I have a 01 jetta 1.8t. It is having a bad hesitation in low rpm. When i start going from a stop it rocks back and forth. Like it is hesitant to go.
Jan 5, 2011 at 9:08 PM
hesitation in low rpm
2001 VOLKSWAGEN JETTA
SAMB05
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Do you have a check engine light and when was the last tune-up??
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
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
Jan 5, 2011 at 9:39 PM
yes the check light is on. I had the last tune done just a little bit ago.
Jan 5, 2011 at 9:43 PM
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Go to Autozone its a free public service-Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis,finding out what's going on.
Jan 5, 2011 at 9:48 PM
ok thank you
Jan 5, 2011 at 9:52 PM