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Discussion Starter · #1 ·
So the other night it was like 3 degrees when i started my car and it sounded like rumbling and the check engine light flashed until i moved it out of the garage then it went off. Can anyone explain or elaborate on what this could be? Also my car has been hissing on startup regularly lately not sure why though.
 

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Mine would do that randomly but I wouldn't get a flashing CEL. The flashing CEL usually signifies a miss due to no spark which most likely means a coil pack is going out.
 

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Mine also does this when its cold outside, although, no CEL flash.

It shakes and rumbles for a minute or two but then after it warms up its gone and performs as normal. I haven't been too worried about it.
 
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