http://download.deccats.com/POP/DEC_3_fold_brochure.pdf
This guide from DEC suggests using scantool to determine whether the ECM is correctly controlling the a/f mixture or if it is fluctuating because of other issues.
The !echo! is throwing a p0420 and i replaced the O2 sensors maybe 18 months ago?
At my mileage a new cat might be in order.
This guide from DEC suggests using scantool to determine whether the ECM is correctly controlling the a/f mixture or if it is fluctuating because of other issues.
The !echo! is throwing a p0420 and i replaced the O2 sensors maybe 18 months ago?
At my mileage a new cat might be in order.