Spark Plug: Service and Repair

1993 Plymouth Laser FWD L4-1753cc 1.8L SOHCSECTION Service and Repair
TIP: Always keep plugs in the order they were removed. Any plug that looks different from other plugs indicates a problem in that cylinder.

Note: Lightly coat threads with an approved anti-seize compound prior to installation.

1. Remove center cover.
2. Remove spark plug wires from spark plugs.
3. Using the proper sized spark plug socket, remove the spark plugs by turning them counterclockwise.
4. Gap the new spark plugs to specifications.

SPARK PLUG GAP:
Standard Value .039 - .043 in (1.0 - 1.1 mm)

5. Lightly coat threads with an approved anti-seize compound prior to installation.
6. Install spark plugs by turning them clockwise. Torque spark plugs to specifications.

TORQUE VALUE:
Spark plugs 15 - 21 ft lb (20 - 30 Nm)

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.