

You hear a noise — whining, humming, rattling, or knocking — that gets louder as you accelerate. Pinning down the type of noise helps narrow it to the engine, drivetrain, or exhaust.
Find a ProviderIt helps a lot — whining often points to belts or bearings, rattling to the exhaust or heat shields, and knocking to the engine or drivetrain.
It depends. A loud knock or grinding should be checked right away, while a faint hum can be monitored, but any growing noise deserves a diagnostic.
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