1996 Mercury Tracer Owner's Manual - Page 302
1996 Mercury Tracer Manual
Page 302 highlights
If an original 1.9L engine spark plug is removed for examination, it must be reinstalled in the same cylinder. Spark plugs in cylinders 1 and 3 have a EG suffix. Spark plugs in cylinders 2 and 4 have a E suffix. If a spark plug needs to be replaced, use only spark plugs with the service part number suffix EE as shown on the engine decal. 316
316
If an original 1.9L engine spark plug is removed
for examination, it must be reinstalled in the
same cylinder. Spark plugs in cylinders 1 and 3
have a EG suffix. Spark plugs in cylinders 2 and
4 have a E suffix. If a spark plug needs to be
replaced, use only spark plugs with the service
part number suffix EE as shown on the engine
decal.