Hesitation or Stalls on Acceleration

DEFINITION: Momentary lack of response as the accelerator is pushed down. Can occur at any vehicle speed. Usually most severe when first trying to make the vehicle move, as from a stop sign. May cause the vehicle to stall if severe enough.

POSSIBLE CAUSE ACTION

Poor or contaminated fuel Check for excessive alcohol content.

Recommend higher grade fuel.


Fuel Metering Check air/fuel ratio, (O2 Sensor Voltage).
Check fuel pressure.

Perform injector service (cleaning).