How often do you change spark plugs in a Lexus?
They’re one of the few engine components that are exposed to combustion, so they’re pretty rugged. Still, Lexus recommends you change them every 60K miles. However, they can fail earlier and trigger a check engine light. Luckily, changing the plugs yourself isn’t difficult.
When to check for worn out spark plugs?
Fouled or worn out spark plugs are one of the first things you should check for if you’re having misfires or other performance issues. With our guide, pulling your spark plugs and identifying problems is easy.
How do you tighten a new spark plug?
You can apply a small amount of motor oil to the threads of the new spark plug to avoid cross threading. Using the torque wrench, set it to 18 ft-lb and tighten. Figure 9. Tighten the spark plug using the torque wrench.
How do you change the spark plugs on a Lexus ES?
Seal the intake ports by covering them with masking tape to keep objects from falling into the engine. Change the PCV valve that’s under the intake plenum while you have everything apart. Use a 19 mm wrench. Also clean the throttle body while it is out of the car. Remove the ignition coils from the spark plugs using a 10 mm socket.
What should I put on spark plugs before replacing them?
Place a little bit of motor oil on the plug threads before installing. If you use anti-seize compound on the threads, apply it sparingly and keep away from the plug’s electrode and lower threads. If it gets on the electrode it will shorten the life of the plug considerably.
You can apply a small amount of motor oil to the threads of the new spark plug to avoid cross threading. Using the torque wrench, set it to 18 ft-lb and tighten. Figure 9. Tighten the spark plug using the torque wrench.
Can you check the condition of a spark plug?
Fit the extension and socket on the spark plug loosely before wrenching. Now that your have your spark plug out, you can check its condition to see if your engine is having problems. A spark plug can tell you a lot about what’s happening in your combustion chamber if you know how to read it.