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Car tune up explained and if your car really needs one or not, myth busted with Scotty Kilmer. Older cars actually needed to be tuned up, but newer cars don’t really need it. The way modern car engines are designed removes the need for a tune up. How to do a tune up on a car. DIY car repair with Scotty Kilmer, an auto mechanic for the last 50 years.

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Leave a Reply

  1. Tyler Webb

    Someone must of paid him off for this myth because trust me cars do need tune ups ! My truck use to take off slow like it was old but then I changed the plugs wires oil and much more and it is so much more faster its unbelievable!

  2. Forrest S

    Awesome, great info, thanks! (I am a new subscriber sent here by @MarkDice.) 🙂

  3. John Smith

    Scotty obviously was not referring to regular maintenance as a tune-up, as modern cars don't need tune-ups but they all have maintenance cycle requirements.

    To be clear, there are things that may improve engine performance, but it not a frequent task. Valve clearance adjustments tend to make an engine purr again, idle more smoothly, and be nice and quiet. This is part of maintenance checks though so it's not a tune up then. If injectors aren't clean, obviously the car will have trouble feeding the right amount of air and fuel to the cylinders. This is a mechanical issue though, rather than a tune-up item.

  4. FIVE TIMES THE BLESSING!!!!

    I have a 2012 Acura TL with 40,000 miles and when I accelerate hard it gives me a nasty egg fumes smell… Gives me a headache.. car has no check engine and pass smog?

  5. Sidantha Adrian

    Modern car tune up is. Cleaning the spark plugs, throttle body Injectors and cleaning or changing fuel filter….

  6. Les Woodz

    Mechanics that recommend tune ups disliked.

  7. 4 gauge

    If your STILL driving a 1965 Oldsmobile 98 or a 1963 Ford Galaxy 500,yes,you will be"tuning-up"it up every so often.

  8. lets get money together

    And she broke my heart she got the best of me you right about that naw it ain't everything so watered down all these fake mechanics out here now

  9. Jeremiah Jimenez

    Is a 94 Honda Accord considered a modern car?

  10. Zionic-iDrxpz-YT

    I just purchase 1999 Toyota Camry le 4 cylinder 185k miles hope it last. I know rav are good but Camry idk.

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