Join Date: Dec 2013
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Engine Noise in Cold weather
I am experiencing a weird noise that sounds like back pressure when temperatures are below approximately 45 degrees. No problem starting, but as I begin to drive and speeds reach approximately 20-25 MPH there is a noise consistent with and air type of leak coming from under the hood.
The noise as speed increases ceases, but will return as speed is reduced. There is also a strong odor of exhaust/diesel fuel smell associated with the noise.
It sounds almost like a jake brake being applied. Again, I only experience this during temperatures below 45 degrees and the noise is coming from the engine compartment.
Not sure if anyone else might have experienced this problem. Any help is appreciated.
Last edited by Catahoula1982; 12-08-2013 at 04:21 PM.