Sometimes, what seems like a major problem turns out to have a simpler solution. Your experience highlights the importance of finding a knowledgeable and trustworthy mechanic who can accurately diagnose the root cause of the issue.
When dealing with trouble codes like P0420, it's crucial to consider all possibilities before jumping to conclusions about expensive repairs like replacing the catalytic converter. If you're ever in doubt about trouble codes or car repairs, it's worth seeking advice from professionals or using tools like
Trouble Scan to get accurate insights into your car's health.
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