Wires to spark plugs
My spark plug wires look loose so pulled on
one and it had a suction sound & I tried to
put it back on but it doesn't look right
the suction sound you heard is the sound of the plugs being pulled from the top tip of your spark plugs, when you put them back you will not hear same sound. To test what i just said, pull it again and you will hear same suction sound. What matters is the engine is working fine, if one cylinder is not working the engine would be shaky and even noisy. If you do not have any of these two, then the wires are just fine.
just make sure when you push the wire back on to the spark plug your engine is off. and push down until it feels tight on the spark plug
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