DIY: How to Replace Spark Plugs on Chery Tiggo

Replacing spark plugs can fix misfire codes and improve fuel economy. A complete DIY guide for Chery Tiggo engines.

Step-by-Step Instructions

1. 1

   Let the engine cool completely (wait 2+ hours after driving)

2. 2

   Disconnect the negative battery terminal

3. 3

   Remove the engine cover if equipped

4. 4

   Disconnect the ignition coil electrical connectors

5. 5

   Remove the ignition coil bolts and lift out the coils

6. 6

   Use the spark plug socket to remove the old spark plugs

7. 7

   Check and adjust the gap on new spark plugs

8. 8

   Install new spark plugs by hand first, then torque to spec (18-22 Nm)

9. 9

   Reinstall ignition coils and connectors

10. 10

    Reconnect the battery and start the engine to verify