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What does a confirmed code mean.states p0403 confirmed cel light stays on after replacing part

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  • Cars & Trucks Master
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Did you reset the light after the part replacement? If you reset the light, the should read that the light is off (or show 'no codes') before the engine is started. If the light comes back on right away, with the same code, then replacing the part did not correct the problem.
A confirmed code simply means that the problem actually exists. For many codes, the first occurrence will not turn on the light. But if the situation happens again within a specific interval, it confirms the code and lights the light. Many scanners can also see the 'pending' codes (the first occurrence).

Posted on May 01, 2017

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Posted on Jan 02, 2017

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