84-85 Trucks & 4Runners 2nd gen pickups and 1st gen 4Runners with solid front axles

spark plug smoking

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Old 05-21-2006, 10:26 AM
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spark plug smoking

just put new spark plugs and wires on and now for some reason one of them is smoking what would cause this problem.
Old 05-21-2006, 03:27 PM
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Are you sure you tightened the spark plugs all down correctly? (don't overtighten)
Old 05-21-2006, 05:45 PM
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Originally Posted by fo_runner
Are you sure you tightened the spark plugs all down correctly? (don't overtighten)
2nd'd... There's a compression washer on the plug that needs to be - compressed - in order for the seal to work. The washer will provide a good bit of resistance when you're tightening down the plug, but not as tight as when the plug is actually torqued up.

Be careful, you can over-tighten the plug, but you do have to make it through the initial resistance of the washer before things will work right.
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