For 1990-2009 cars

• | Inspect the spark plug wires for the following conditions:

- | A bent or a broken terminal

- | Corrosion or moisture contamination

- | Loose or poorly fitting terminals

- | Boots for cracks or punctures

- | Boots for carbon tracking

- | Cable and boot for abnormal swelling or stiffness

- | Cable for damage

• |
- Measure the electrical resistance of the spark plug wire (2) with a DMM (1). Resistance must not be more than 4-10k ohm/m (1.2-3.0k ohm/ft).

• |
- Replace any spark plug wire that fails an inspection or a test.