2019 F150 2.7 P0430 TSB 22-2260

344 Views | 4 Replies | Last: 2 days ago by 1agswitchin4lanes
El_Guero512
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4:07p, 6/23/26
Looking for some help,and some input from our Ford guru 1ags. As title says I got P0430 Catalyst System Efficiency Below Threshold Bank-2 today and looking around F150 forums there is a TSB 22-2260 for 2018-2020 2.7's.

Has anyone gone through the process with this? Couldnt find anythig on the search feature. I am still under the 80k/8 years emissons warranty as well. Any input would be much greatly appreciated.
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1agswitchin4lanes
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7:36p, 6/23/26
AG
Yup. Says covered under emissions. Read your book and make sure the cats are under 8/80
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El_Guero512
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In reply to 1agswitchin4lanes • 8:29p, 6/23/26
Thanks for the reply, yes it's definitely under the 8/80 it's going to be 7 years on July 19th and barely at 57k miles. Going to call the dealer tomorrow and set an appointment. Again thanks 1ags!
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pnut02
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10:08a, 6/24/26
AG
The general concept below has worked for clearing our DTC's (without idling for an hour). Towing a trailer also seemed to help.
Quote:
The Fix: De-Sulfate Drive Cycle
Ford determined that these codes are frequently triggered by a temporary coating of sulfur on the catalyst rather than permanent hardware failure. The procedure outlined in the TSB involves: [1, 2]
[ol]
  • Finding a safe stretch of road where you can safely reach speeds of roughly 65 mph.
  • Wide Open Throttle (WOT): From a low speed (under 30 mph), accelerating at wide-open throttle up to 65 mph.
  • Cruising: Driving alternately between 50 mph and 65 mph with light accelerations/decelerations for about 5 minutes.
  • Repeating: Performing the WOT and cruise cycle 3 to 4 times.
  • Idling: Parking the vehicle and letting it idle for 1 hour to complete the process
    • [/ol]

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    1agswitchin4lanes
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    In reply to pnut02 • 10:58a, 6/24/26
    AG
    pnut02 said:
    The general concept below has worked for clearing our DTC's (without idling for an hour). Towing a trailer also seemed to help.
    Quote:
    The Fix: De-Sulfate Drive Cycle
    Ford determined that these codes are frequently triggered by a temporary coating of sulfur on the catalyst rather than permanent hardware failure. The procedure outlined in the TSB involves: [1, 2]
    [ol]
  • Finding a safe stretch of road where you can safely reach speeds of roughly 65 mph.
  • Wide Open Throttle (WOT): From a low speed (under 30 mph), accelerating at wide-open throttle up to 65 mph.
  • Cruising: Driving alternately between 50 mph and 65 mph with light accelerations/decelerations for about 5 minutes.
  • Repeating: Performing the WOT and cruise cycle 3 to 4 times.
  • Idling: Parking the vehicle and letting it idle for 1 hour to complete the process
    • [/ol]



    Italian tuneups clear up a lot of issues for people.
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