5.4 into 6.0

Asked by Mar 03, 2017 at 09:44 PM about the 1997 Ford Expedition 4 Dr XLT 4WD SUV

Question type: Maintenance & Repair

I've rebuilt my engine 40 over. Ive elemenated my
cats. Do, (Where can I get them)  I need none cat
h02s installed.  Tis is 1st gen. Expedition the best
1 help please.

1 Answer

121,055

I have no idea what you need from your question. But if your wondering if the system needs O2 sensors before the elemanated catalysts, yes it does. As far as the rear O2 sensors you can use O2 emulators or cap off the rear O2 sensors with airtight caps, once the heaters burn out the existing oxygen and they are sealed tight they should work properly. HTH

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