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Clattering noise?

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Old Jul 26, 2011 | 01:47 PM
  #1  
Turbodogg's Avatar
Turbodogg
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From: Austin, Texas
Clattering noise?

My 2009 4.6 makes this clattering noise that kinda sounds like there's moisture in the distributor, but obviously there's no distributor. It only comes from the passenger side around the floor board. It only really does it when accelerating. I think is an exhaust leak, but I wanted to see what you guys thought.

I know that the injectors make a tapping sound. It's in addition to that.

Thanks for your help
 
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Old Jul 26, 2011 | 08:52 PM
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sounds like a possible exhaust manifold leak. hard to know without hearing it.
 
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Old Jul 27, 2011 | 04:08 AM
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awq134
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From: Ontario, OH
is it consistently happening on acceleration or just randomly. Because about a year ago i would be driving under light acceleration and all of a sudden i would get a sound that sounded like someone shaking a tin can full of screws from the front end, but as soon as i would let off the gas it would go away. it might have happened around 4-6 times over a 6 month period at random times.
 
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Old Jul 27, 2011 | 07:38 AM
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It happens just about every time and it sounds just as you described. What was it, or did it go away on it's own.
 
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Old Jul 27, 2011 | 03:43 PM
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it just went away, was going to take it to the dealership but if it's not consistently happening there is no way the dealership is going to dig into anything further.
 
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Old Jul 27, 2011 | 11:29 PM
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Sounds like detonation. Might be a faulty knock sensor, dirty injector making it run lean, or plugged EGR (if they used EGR on that year).
 
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