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Check engine light

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Old

Oct 4, 2025 | 04:21 PM

#1

Soo509

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Check engine light

Hi everyone! My check engine light comes on around 3500-4000rpm i believe when the boost kicks in, it is 93 R1 single turbo. Hoping someone can give and explanation of what i should be checking for so i can get it fix! Also had the car for years and its always been like this. Thanks!!

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Old

Oct 5, 2025 | 09:10 AM

#2

j9fd3s

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From: https://www2.mazda.com/en/100th/

what ECU do you have?

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