Engine - Rattling Noise on Cold Start
SOURCE: Mitsubishi Tech Talk Article April 2004TITLE: NOISE ON COLD START
APPLIES TO: 2004 Outlander, Lancer, Lancer Sportback & Galant with 2.4L MIVEC engine.
SERVICE TIP:
A rattling noise ("dieseling") may occur from the exhaust system during ignition retard at cold start until the throttle is depressed. This noise does not indicate a problem. It is the result of emission reduction engine control on cold start. No repair is necessary.