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Timing adjustment...93 850 (update) 850 1993

That's why I like to pull the spark plugs. You stop at the timing marks. If you wait for the compression to release, then you have gone too far.

If it sounds like a plug is misfiring, check the plugs and see if one is wet. It is possible that the boot didn't seat properly or a plug wire is loose at the cap.

--
My back feels better when I sit in a Volvo seat






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