Poor Idle Quality

DIES AT STOPS
^ Throttle Valve Adjustment/Cleaning
^ Throttle Potentiometer
^ Coolant Temperature Sensor

IDLES ROUGH
^ Clogged Injector(s)
^ Ignition Miss-fire
^ Intake Air Leak
^ Loose Fuel System Grounds

IDLES TOO HIGH
^ Throttle Valve Adjustment
^ Throttle Cable Adjustment
^ Auxiliary Air Valve
^ Throttle Potentiometer
^ Overrun Valve

IDLES TOO LOW
^ Throttle Valve Adjustment
^ Throttle Potentiometer
^ Engine Too Lean

IDLE SURGES
^ Idle Control Valve
^ Throttle Valve Adjustment
^ Throttle Potentiometer