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29/12/2022 2:48 am
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Vehicle is a 1999 RAV4 and we got a code of P0300, P0301, P0304, and P0401. Will just a spark plug repair solve the issue? Is it true that the spark sparks may cause the 401 to appear?
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29/12/2022 3:14 am
You obtained the codes. Great.
Please read our FAQ where it tells you what to do next with them.
we got a code of P0300, P0301, P0304
These are also covered in our FAQ
Will just a spark plug repair solve the issue?
Maybe. You need to check and see if they're bad.
There are many possible causes.
Is it true that the spark sparks may cause the 401 to appear?
no
