Maintenance / 2001 Automatic 4-speed · 6 cyl · 3.8 L
Spark plugs
Use the engine-specific plug type. Check the service schedule and inspect ignition faults before replacing parts.
IntervalReplace plugs and inspect wires every 100,000 mi.Verified
01 / Requirements
Configuration-specific service and fitment facts
These sourced values are shared by the specification sheet and the maintenance guides for this exact configuration.
- Cylinders
- 6 Verified
- Spark plug specification
- GM 25161444 Verified
- Spark plug gap
- 0.06 in VerifiedOEM gap: 0.060 inch.
- Installation
- Work on a cooled engine using the specified tightening procedure. Do not adjust a fine-wire plug gap unless its manufacturer explicitly permits it.