Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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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.