I'd rather do it myself
Join Date: Aug 2009
Location: Flat lands of Illinois
Mentioned: 18 Post(s)
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You can monitor the post cat O2 senor voltage to see if it hangs with the pre cat voltage. If it does the cat is no good. You may just need two new post cat O2 sensors too. The post cat sensor should remain fairly high, ~.700 volts while the pre cat sensor will cycle from ~.005v to ~.900v.
2010 Red 2.0L track
If the Pharaohs had duct tape, the Sphinx would still have a nose...."