"14481

Bulletin number

14481

Component

Electrical system: wiring

Summary

"14481 - service update. This bulletin provides a service procedure to inspect and verify the installation of the spark plug wires on certain vehicles equipped with a gen v gas 5.3/6.2l v-8 or 4.3l v-6 engine (rpo l83/l86/lt1/lv3). These vehicles may have loose spark plug wires that are not secured at the spark plug or coil attachment. Loose spark plug wires can cause a misfire condition resulting in p0300 dtc being set with mil (“service engine soon” light). Continued operation with this condition could result in damage to the catalytic converter."

Owners of these vehicles have filed 478 complaints in the electrical category.