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rey
rey 4/3/2010
1999 Ford F-150 Base 6Cyl4.2L - Engine
How can I tell if my catalytic converter is bad?
I feel the truck hesitate when I accelerate, and if I push it, there is a bad smell.
1 Answer
  • jeepguyracing
    jeepguyracing 4/3/2010
    It is bad from what you just described.does it smell like rotten eggs or sulfer like matches?Replace it and it will not only run better but you should get a jump in gas milage.Dont buy the cheap universal ones.If you are keeping the car get a high flow converter.they cost more but are worth it in the long run.
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