Idle Up Control Valve: Service and Repair

Throttle Position Sensor - 3.8L:

Removal
1. Disconnect battery ground cable.

2. Disconnect the fuel charging wiring from Idle Air Control valve (IAC) valve.

3. Remove the two idle air control valve retaining bolts.

4. Remove the idle air control valve and idle air control valve gasket.

Cleaning and Inspection

CAUTION: Do not use Carburetor Tune-Up Cleaner D9AZ- 19579-BA meeting Ford specifications ESR-M14P9-A or any other type of solvent as damage to the valve internal components may result.

NOTE: The idle air control valve cannot be cleaned and must be replaced (if required).

Installation

NOTE: If scraping is necessary, do not damage air control valve gasket surfaces or drop gasket material into engine.

1. Clean idle air control valve gasket mating surfaces.

2. To install idle air control valve, reverse removal procedure. Tighten retaining bolts to 8-12 Nm (71-106 lb.in.).

NOTE: When the battery has been disconnected or reconnected, some abnormal drive symptoms may occur while the powertrain control module (PCM) relearns its fuel trim. The vehicle may need to be driven 16 km (10 miles) or more to relearn the fuel trim. Testing and Inspection