Help with code - P0421... already STFA
10-09-2008, 05:09 PM
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Help with code - P0421... already STFA
I know this topic is covered in many places here, but for all of the posts that I have read, this code always comes with several other codes. The only code I have is P0421 "Warm-up catalyst Bank 1... Intermittent"
I cleared the codes last week and code re-appeared after about 5 days. Readiness code is reading 00000000.
Thanks in advance.
I cleared the codes last week and code re-appeared after about 5 days. Readiness code is reading 00000000.
Thanks in advance.
10-18-2022, 11:14 PM
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<!--td {border: 1px solid #cccccc;}br {mso-data-placement:same-cell;}-->You can look for this code on the website with the other discount coupons, but I'm not sure.
10-18-2022, 11:16 PM
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