The 1979 model Johnson 9.9hp uses a Champion L77-JC4 spark plug.
How do you change spark plugs in a 6 cly Toyota Camry?
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The spark plugs?æon a 1999 Dodge Durango are at the side of the engine. Make sure that the engine is cool before accessing the spark plugs.
from underneath the car.
Bad ignition coil?
the coil is bad
You need to replace the valve cover gaskets.
Yes you can. If the # on them cross over to the factory plug.
take the old ones out and put new ones in :)
Disconnect the battery, remove the spark plug cables, boots and spark plugs from the driver side, and put in the new spark plugs and replace everything. Lift the passenger side on a jack, remove the tire, from under that side of the car, remove the spark plug cable, boots and plug. Replace the plugs and everything else, then lower the car.
they are under a panel by the fuel rails. they are very hard to get to.