Why is my VW Jetta sputtering?

Why is my VW Jetta sputtering?

A sputtering engine can indicate a number of problems. If your Volkswagen Jetta has a sputter, it is most likely going to be caused by bad fuel system, ignition system, MAF sensor, or bad catalytic converter. Once compressed, the mixture it is ignited by the spark plugs.

Why is my Volkswagen sputtering?

A dirty or failing sensor puts too much or too little fuel into the engine causing it to run rough or sputter. If they are not working correctly or are dirty they don’t ignite the fuel cleanly and the car can misfire or sputter. The plugs will need to be replaced or cleaned.

What triggers EPC?

The EPC light will come on when there is a malfunction with your engine being sensed. Your vehicle will automatically limit the amount of throttle usage to help prevent further damage to your engine.

Why does the EPC light come on on my Volkswagen Jetta?

If you get the EPC light, we recommend taking your Jetta in right away. Many issues associated with this warning light coming on have to do with vital vehicular systems. When the EPC light comes on, your vehicle may have limited engine power. The EPC system does this as a failsafe in order to protect the engine from permanent damage.

What causes the EPC light to come on?

If it gets blocked it can affect acceleration. I have a VW CC 2009 Turbo with 60,500 miles on it, left work the other evening and accelerated a little strong but nothing too hard, to get up to speed in traffic. Immediately the EPC light and check engine lights came on after letting off the gas.

When do you switch from EPC to check engine light?

However after driving maybe 15 miles the next day the same thing occurred, in addition my vehicle began stalling at stops and the EPC light switched to the check engine light. Again once parked the lights both EPC and Check Engine switched off.

What does the EPC warning light on an Audi mean?

The EPC warning light on your Volkswagen or Audi means there is a problem with the EPC (Electric Power Control) system. The EPC system controls the throttle control, including the throttle body, accelerator pedal, cruise control, or traction control Can the EPC Warning Light Cause a Loss of Power?