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MX-3

Hello there, thank you for asking about your 1992 Mazda MX-3. This may be caused by a variety of problems such as a vacuum leak or potentially a faulty idle air control valve. The high idle suggests that there may...

Yes the exhaust needs to be inspected. Cracked or rusted through exhaust pipes will cause a loud exhaust noise. Also, the muffler could be rusted out internally which will also increase exhaust noise. Loose heat shields are also prone to...