Download 2006 Ford Mustang Intake Manifold Runner Control – Yes For DTCs P0505 or P0506, on vehicles with electronic throttle control ( ETC), Go to HU47. For DTCs P0505 or P0506, on vehicles without ETC, Go to HU2. For DTCs P0660, P2070 or P2071, Go to HU31. For DTCs P2004, P2005, P2006, P2007, P2008, P2014, P2015 or P2020, Go to HU15. No For vehicles equipped with electronic throttle control ( ETC ) that have low idle concerns, difficulty starting, hesitation, loss of RPM, Go to HU47. For lack/loss of power, Go to HU31. For all other symptoms without DTCs, Go to HU2. HU2 : PART THROTTLE SYMPTOM Are any part throttle concerns present? Yes Go to HU7. No Go to HU3. HU3 : CHECK THE BASE IDLE SPEEDNOTE: The vehicle must be at operating temperature and at idle for a minimum of 1 minute. Ignition ON, engine running. Determine if the idle speed is incorrect. Refer to the Section 6 Typical Reference Value Charts, if necessary. Access the PCM and monitor the RPM (RPM) PID. If equipped, read the vehicle tachometer. Is vehicle idle speed correct? Yes Go to HU5. No Go to HU4. HU5 : CHECK FOR BINDING OR STICKING IN THE THROTTLE SYSTEM Gently cycle the throttle from fully closed to fully open and back to fully closed. Check for sticking or binding during rotation. Is a stick and bind condition present? Yes Go to HU6. No Go to HU7.