Check Engine Light - Code P12F0

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Jan 10, 2023 | 08:57 PM

#21

z51c8b

2nd Gear

Joined: Jan 2023

Posts: 2

Likes: 0

How long did it take to be fixed?

How long did it take to be fixed?

Jun 5, 2024 | 03:27 PM

#22

rohard

Instructor

Joined: Jul 2005

Posts: 245

Likes: 3

From: Edmond OK

Similar problem. Had car 3 weeks. No CEL during breakin. Today when I started it, had CEL. (525 miles on oddemeter). I have programmed exhaust to stay open in my mode and tour. Called OnStar, no codes shown, everyting ok on their end. How many start cycles to clear intermittent code? Hate to waste day at dealer. Recomendations? Thought?

Jun 5, 2024 | 08:29 PM

#23

mortelec

Pro

Joined: Jul 2021

Posts: 694

Likes: 617

From: Crosslake, MN

Quote:

Originally Posted by rohard

Buy a cheap obd scanner or Bluetooth obd dongle. Read codes, clear them yourself and see if they come back. A lot of cel's are pending for several key starts and won't trigger. You'd be surprised how many pending codes are in these cars even without a cel. You will be time and money ahead learning about cel's.

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