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how do you change the sparkplugs on 1990 Mercury Cougar

when driving it acts like its missfiring

Asked by for the 1990 Mercury Cougar
very tight on the supercharged motor. it pays 2 hours in a shop. plan on double or riple time if you have no expierence.

Roy
1 more answer
check sparks wires just took mine in because of that prob they fix it up great in a full tune up