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Changing the spark plugs is a pretty easy task. The spark plugs run along both sides of the engine, 1 per cylinder. (3 on each side) You can easily identify them by the plug wires running to them from the distributor. Pop off each plug wire, (1 at a time) and replace the spark plug. Once you have replaced the plug, replace the plug wire. This ensures that you dont mess up the sequence of the wires which determines which cylinder fires at what time in the cycle. VERY important not to mess up the sequence. If you should happen to get the wires mixed up, look online for the firing sequence for your vehicle and engine.
remove the spark plug wires one by one.. remember the connection from no. 1 spark plug to the distributor. the wire from the coil is connected to the center of the distributor.
You need a special tool when they are stuck on, it's like a long pair of neddle noise plyers with sides that grabs the wire by the boot evenly, but twist them loose from the plug as you pull the rubber actuaully melts itself to the plug sometimes
you need to test your coil pack for #2 cyl with a spark tester if spark is good try a different plug wire possible ohms resistant out of range melted wire insulator missing in boot
Which engine do you have?
Need wiring schematic for 2000 ranger comanche 520vx
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