Make sure you have the correct plugs to start. There is 2 different sets. There is leading and trailing plugs. I buy mine at Mazda cause they usually have them in stock and come in a pack of 4 and are labelled clearly leading and trailing. All 4 plugs are located on the drivers side of the motor. The leading plugs are the bottom 2 and the trailing are the top 2. The spark plug wires coming from the distributor cap are labelled L1, T1, L2, T2. The rotor towards the front of the car is #1 and the rear #2. Therefore, L1 goes to the lower left plug, T1 the top left, L2 the lower right, and T2 the top right. Torque plugs to 9-11 ft/lbs.
4 in total.
when do you change spark plugs
4 plugs 2 leading 2 trailing.
To change the spark plugs in a Mazda RX-7, first ensure the engine is cool and disconnect the battery. Remove the spark plug wires or ignition coils, then use a spark plug socket and ratchet to carefully unscrew the old plugs. Inspect the old plugs for wear, then install the new ones, making sure to torque them to the manufacturer's specifications. Reconnect the spark plug wires or ignition coils and reconnect the battery to complete the process.
To change the spark plugs in a 1997 astro van do I have to change the spark plugs from the bottom of the engine/
4 plugs. 2 are leading and 2 are trailing.
How to change the spark plugs
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the proper plugs come pre-gapped. you do not need to adjust them.
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