Endeavor V6-3.8L SOHC (2004)
Ignition Coil: Technical Service Bulletins
Audio - Radio Static/Noise Varies W/Engine Speed
SOURCE: Mitsubishi Tech Talk Article March 2004
TITLE: RADIO STATIC/NOISE VARIES WITH ENGINE SPEED
APPLIES TO: 2004 Endeavor & Galant V6
SERVICE TIP:
Inspect the ignition coils, especially cylinder #5, by disconnecting the suspected coil(s) to see if the noise disappears. If the noise disappears after
disconnecting a particular coil, replacing that coil should correct the condition.