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engine has a miss 2.5 liter on 2002 Mercury Cougar

engine misses real bad when its cold,at running temp misses
once in a while at cruising speed,but when engine is under
aload it misses bad.

Asked by for the 2002 Mercury Cougar
Check out the ignition system. Miss under load and when cold suggest ignition problems.
1 more answer
Check out the ignition system. Miss under load and when cold suggest ignition problems.