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Emissions Issues with P0430
I have had codes for P0420 and P0430 on my 2017 Expedition. Did all the recommended things, cleaned the MAF, checked for air intake leaks and exhaust leaks, replaced O2 sensors and eventually replaced the cats because the rear O2 sensor was fluctuating a lot and everything else had already been...- D-Angler
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- Replies: 0
- Forum: 3rd Gen - 2007 - 2017
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2017 Front AC Evaporator Replacement - Full Dash Removal?
How did it go? I have the same issue and also live in Phoenix and it’s getting annoying.- D-Angler
- Post #9
- Forum: 3rd Gen - 2007 - 2017
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Oxygen Storage Capacity
Thanks for the response. The sensors have specific connectors between the upstream and downstream so I can’t physically swap them. Maybe I’ll just try another downstream just in case I got a bum sensor.- D-Angler
- Post #3
- Forum: 3rd Gen - 2007 - 2017
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Oxygen Storage Capacity
Replaced both catalytic converters on my 2017 EL. The old cats had some loose pieces in there and I had a P0430 code. I reset the codes but right now Forscan is showing the oxygen storage capacity for both banks are just above the max. I am going to check for leaks and make sure I tightened...- D-Angler
- Thread
- Replies: 2
- Forum: 3rd Gen - 2007 - 2017
