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2007 Subaru Forester - Knocks

Engine knocking during acceleration.

Are you using the proper gasoline ?

I tried high test but it did not affect the knocking.

Ok, then you have a rod knock and the engine is about to seize up solid.

Pretty scary diagnosis… but you didn’t tell us any information about the car, its mileage, condition, anything about the knock.

If you want a better guess, give us better information.