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  1. The 10th Generation
    Today it was really cold out, 22F and really windy. Right after starting the engine, I heard a really weird crackling/knocking noise. No idea where it's coming from. It happens within 30 seconds after starting the engine and 2 seconds after I stop the engine. Things that DON'T cause the...
  2. The 9th Generation
    I got a brand new 2016 honda accord sport this spring. I noticed something abnormal every morning when having a cold start of my car. I could feel irregularly knocking from the bottom of the engine, feels like the engine has a shiver. The sound is very similar to something hard beating on a soft...
  3. The 7th Generation
    I have an '07 V6 with 133k, auto that knocks on cold start. Timing belt done at service interval. Knocking can best be heard from the intake manifold. Engine only knocks on cold start, used to only be when it was very cold out (20-30 degrees F) but now does it much more often. Knocking...
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