Allpar Forums banner

2001 PT Cruiser with Aftermarket supercharger stuttering when switching gears

2.6K views 11 replies 7 participants last post by  Freefam  
Welcome to Allpar. Who is the manufacturer of the supercharger?
The speedometer jumping around & the stutter (misfire) sounds electrical, The supercharger would be a mechanical device.
 
Check the spark plug tips for carbon-fouling? What spark plug type was selected for this?
Does the stutter happen between gears with the throttle not applied? Or after a shift and resuming acceleration?
This car may require premium fuel.
Image