Unhappy

Unhappy Honda MISFIRE P0300 (Part 1 – Diagnosis – Accord V6)

This 2006 Honda Accord V6 is running ROUGH at 205k miles. Owner says it’s misfiring at idle, and won’t pass the State Emission Test with a persistent P0300. Plugs and coils obviously didn’t help. Although I suspect what the issue is, let’s PROVE it with scientific DATA before quoting the customer on the final repair […]

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