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This video shows how to change spark plugs on toyota avanza. If this is your first time to change the spark plugs then you must watch this.
How to Change Spark Plugs
1. Ensure the engine is cool, para hindi masira ang spark plug thread.
2. No need to disconnect the battery, para hindi mag RELEARN ang ECU.
3. Remove the air cleaner/filter and disconnect some sensors connector.
4. Cover and protect the throttle position assembly with clean plastic.
5. Clean the area/surface before removing the Ignition Coil and Spark Plug
6. Put some marking (As Found Marking) if you don't have torque wrench.
7. Remove the ignition coil and the spark plug one at a time.
8. Inspect the ignition coil for any cracks, sign of burn etc. also inspect old spark plug and put some marking for future troubleshooting references.
9. If you have automotive endoscope, mas maganda to inspect also the piston surface and the cylinder wall.
10. Put in the new spark plug.
11. Re-install/connect the ignition coil connector
12. Re--install air filter and sensor connector.
13. Before starting up the engine, make it sure no shorted on the electrical wiring since we disconnect some connectors. I used breakout box in the video.
14. Start Up the Engine.
15. Check for any error code using OBD2.
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