2. Disconnect the high voltage wires from the spark plugs on one side and from the ignition coils on the other.
Attention: when removing and installing wires, you must hold only the rubber end of the wire, and not the wire itself. Improper handling of high voltage wires can cause internal wire breaks.
3. Using an ohmmeter, check the resistance of all high voltage spark plug wires. If the measured resistance exceeds the maximum allowable value, then replace the spark plug wire.
Limit value - max. 22 kOhm
Attention: make measurements from both ends of the wire. Do not pierce high voltage wires with a needle probe.
4. Check the condition of the contacts of the spark plugs and the ignition coil (no damage, oxidation, contamination, etc.)
5. Install and connect high voltage wires.