VOLKSWAGEN JETTA ENGINE LOW POWER

The Car Is Very Quiet And Ran Very Smooth For About 2 Days After Buying It But On The 3rd Day I Didnt Fuel To Full. After I Start The Car...

Whenever I Stop Then Accelerate It Jerks What Does That Mean?

The Car Runs Fine, Then Sputters And Loses Power. When The Tank Is Full After Gassing Up It Runs Fine Again But Loses Power Again After A...