Setup for Component Replacement

If any of the following components are replaced or repaired, perform the idle learn procedure. Refer to Q38 Throttle Body: Throttle/Idle Learn .

• The throttle body assembly is replaced.
• The throttle body is cleaned.
• The engine control module (ECM) is replaced.
• The idle air control valve (IAC) is replaced.

FX3 only- If any of the following components are replaced or repaired, perform the crankshaft position system variation learn procedure.

Refer to Crankshaft Position System Variation Learn

• The engine assembly is replaced
• The engine control module (ECM) is replaced
• The crankshaft is replaced
• The crankshaft position sensor is replaced
• Any engine repairs which disturb the crankshaft to crankshaft position sensor relationship.