HU6 - Check For Throttle Body Sticking, Binding, Grabbing

- Key Off.

- Accelerator cable removed from throttle body linkage per HU3.

- Clean air tube removed from throttle body per HU4.

- Snap throttle from open to closed position several times.

- Gently cycle throttle by hand from closed to wide open position. Inspect for freedom of travel particularly during the initial throttle opening.

- Check for foreign material or debris in the throttle bore and plate area that can cause sticking or binding.

NOTE: The throttle body uses a special coating/sealant on the throttle bore and plate area to make them tolerant to engine sludge accumulation. Sludge or oil film deposits in this area do not cause a sticking or binding condition and do not require servicing. DO NOT CLEAN THE THROTTLE BORE AND PLATE AREA, THIS WILL DAMAGE THE THROTTLE BODY ASSEMBLY.

- Does the throttle rotate freely without sticking, binding or grabbing condition?

YES -- RECONNECT accelerator cable and clean air tube to the throttle body assembly. RETURN to Symptom Flowcharts if the drive symptom persists. Testing and Inspection

NO -- GO to HU7. HU7 - Verify Throttle Movement With Speed Control Disconnected