Surge, Hesitation, Stall On Acceleration
Engine hesitates or stumbles on acceleration, sometimes stalling. This condition can occur at any speed, but primarily from a stop. Vehicle may also experience a surge or rise and fall of engine speed at cruise or steady throttle.
POSSIBLE CAUSE ACTION
Faulty canister purge
liquid fuel in carbon canister Check Evaporative system, Evaporative Emissions System
Restricted exhaust system Refer to Catalytic Converter, Testing and Inspection