P0300 And High Idle w/Uprev

Originally Posted by NickBaragona Ok thanks, I’ll do the 3 relearning processes and see if that helps. If the high idle persists would it be worth looking at a flash

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P0300 And High Idle w/Uprev

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01-03-2023, 12:59 AM

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Natrix

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Join Date: Jun 2019

Location: SoCal

Posts: 22

Drives: 40th Anniversary

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Quote:

Originally Posted by NickBaragona

Ok thanks, I’ll do the 3 relearning processes and see if that helps. If the high idle persists would it be worth looking at a flash back to stock tune?

Any updates? I'm having the same issue (stock ECU/tune, though).

The P0300 Saga

EDIT: You're the 4th person with a 40th Anniversary (including myself) who has reported this issue. Did you have your car since new, or do you know if the previous owner had the same problem?

Last edited by Natrix; 01-03-2023 at 01:01 AM.

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