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04/11/2023 3:16 pm
Topic starter
I'd like to know what i need to do with a P300 trouble code and an occasional flashing engine check light on my 2003 Toyota Highlander. Vvti 4cam v6 engine. Its emission is blackish when i rev it.
It's got a 174000 miles on it. I bought it with the problem. Changed spark plugs, oil and oil filter. But the problem stayed. What do I do?
1 Answer
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04/11/2023 3:37 pm
Check out our FAQ about misfiring and see if it helps.
