Spark Plug: Service and Repair

Spark plugs should be replaced every 30,000 miles.

On 1989--91 2.8L/V6-173 and 1991 3.1L/V6-191 engines torque spark plugs to 22 ft. lbs.

On 1992 3.2L/V6-193 engines torque sparks plugs to 14 ft. lbs.

Refer to Tune Up Specifications chart for spark plug gap.