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  1. Strange helicopter/fluttering sound when I start my car

    L31 2002 - 2006
    My Altima 2006 2.5S has been making a strange fluttering-type sound (coming from under the hood) when I start it up, though it goes away in 5-10 minutes. No other indication that there are any issues. I recently got an inspection at Firestone, they didn't find any problems (though this was...
  2. Starting issue please help diagnose

    B14 95-99 chassis
    1996 Sentra 1.6L base model, 199,000 miles. Lately I’ve had problems starting the car once it’s been driven for a while and is warm. I can always get it to start normally in the morning but if I drive around and say go get gas the car won’t start back up. I can hear it cranking fine and...