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Why does your jeep cherokee make a funny noise and knockin sound when pulling away?

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the engine is knockinq due to low octane fuel. try a tank of higher octane or add some octane boost to what you now have and it should be good for a while.

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First answer by Timbo6108. Last edit by Ganderton. Contributor trust: 1821 [recommend contributor]. Question popularity: 24 [recommend question]

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