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Noise coming from intake manifold

   
Old 05-23-2017, 04:55 PM
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Default Noise coming from intake manifold
Can bad spark plugs make a small knock or thump sound under the intake manifold. After the car has been driving a minute it goes away
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Old 05-23-2017, 07:55 PM
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Like a ticking sound?
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Old 05-23-2017, 08:18 PM
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Kinda like a ticking but this is coming from the intake not the exaust manifold
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Old 05-23-2017, 09:01 PM
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Is this a recent sound or has it always been there?
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Old 05-24-2017, 11:21 AM
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It's just started recently
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Old 05-25-2017, 05:45 AM
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What kinda car, engine, mileage etc? Do you hear it in the air intake or at the throttle body?
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Old 05-25-2017, 08:32 AM
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Originally Posted by Timdaman
Can bad spark plugs make a small knock or thump sound under the intake manifold. After the car has been driving a minute it goes away
Do you hear this while in the drivers seat and you are driving the car?

Can you hear it with the hood up standing next to the engine bay and revving it....?

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