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Old 11-25-2013
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I am: Nick Steen
Join Date: Apr 2013
Location: SF Bay Area/LA/DFW
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2.5 Knocking Noise—Only under load...? (VIDEO)

Hi all,

So over the course of the last few months there's been this super intermittent knock that comes about. Only under load, so far. Even then I can't reproduce it. Typically when going up hills. Increases in volume when I apply the pressure on the gas pedal. But whats tricky is that I can't find the right circumstances that reproduces the sound... I could really use some help on this. Ideas? Rods? Lifters? Loose pulley?

Thanks guys!

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Old 11-25-2013
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I am: nathan lassley
Join Date: Mar 2012
Location: clovis,ca
Vehicle: Ford Ranger
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Try cleaning the mass air flow sensor and seafoam the engine.
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