Checking and replacing spark plug wires [Toyota Camry XV20]

1. Inspect the high-voltage wires with the engine running. Conduct the inspection in a dark room, then it will be easier for you to detect sparking damaged areas.

2. Check that the wires are not mixed up.

3. Disconnect the wires from the spark plugs.

4. Inspect the wire contacts, clean the contacts from corrosion if necessary or replace the wires.

5. Connect the wires to the spark plugs.

6. Wipe the wires along their entire length and inspect the wires for cracks or wear.

7. Disconnect the wires from the distributor or ignition coil. Check the condition of the contacts.

(The article is taken from a web resource: ToyotaMan)