Car lacks power going up hill, had cat. converter replaced, helped but still struggles up the mountains.
Is the check engine light on? How many miles on this car? Have the coil on plugs ever been changed? Have the spark plugs ever been changed?
There's a lot of things it can be start with what Bob said, ck for engine codes if any post them here.I have worked on Fords for 25 years what year is the car and what engine is in it
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