LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

slight muffled knocking coming from engine

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Old 01-26-23, 06:43 PM
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WheresLiam
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Default slight muffled knocking coming from engine

so awhile ago i have done the 120k service of replacing the spark plugs, spark plug wires, distributor caps and rotors. And replaced the timing belt. and throughout I've gotten a misfire for cylinder 7 and it comes back sometimes. Just recently I've been hearing a slight muffled knocking coming from the engine around where cylinder 7 is. I do not believe it's a rod knock because it's not an aggressive knocking it sounds as if you were tapping on a mouse pad on a desk. it is hear a bit louder when in drive rather than park. Any help and advice on what could be wrong would be greatly appreciated.
Old 01-26-23, 06:48 PM
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LeX2K
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You'll need to post a video.
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