The old Fit spark plug is on the cylinder head of the engine. Fit spark plug 100000 km replacement. Double iridium gold double needle spark plug is used. The better the material of the spark plug, the longer the time of use, you can choose the material and model of the spark plug according to the engine.
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The steps to replace the spark plug are as follows:
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1. Unplug the wiring harness of the ignition coil and remove the fixing bolt of the ignition coil; Check the spark plug (check whether the terminal is damaged, check whether the insulator is broken, check whether the electrode is worn, etc.);
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2, select the appropriate tool, assemble the tool, disassemble the spark plug, and remove the spark plug one by one; Cover the spark plug hole on the cylinder with a clean cloth to avoid objects entering the cylinder body;
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3. Align the ignition coil with the spark plug, install it in place, and use the tool to screw in the bolt; Clean measuring tools, measure spark plug gap, and judge spark plug;
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4, check whether there are problems with the appearance of the new spark plug, put the spark plug into the special sleeve, screw into the spark plug hole using a digital torque wrench, tighten the spark plug, turn off the ignition switch, open the hood, install the three-piece set;
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5. Use digital torque wrench to tighten. Start the vehicle, eliminate the fault, organize the station.