should i replace catalytic converter first if code pops up or find why... and how do i

Asked by Jul 11, 2016 at 08:07 AM about the 2004 Ford Taurus SES

Question type: General

fisrt misfire code comes up with engine lt.. so i replace coilpack and it stops then lt
comes on for catalytic converter

1 Answer

98,395

What was the catalyst code? Sometimes excess fuel can overcome a catalyst, I would take out on the open highway and do a few wide open throttle passes and see how much crud is blown out the exhaust first, then clear the codes and drive normally and see if the code comes back.

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