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My car jumps/jerks when i drive it?

2004 impala 166,000 miles

This problem started recently, i really never had any problems with the car. The slower i go, the harder it kick/jerk. the faster i go, the lighter the kick/jerk. Seems like its coming from the engine. Its not the transmission because its not happening when it shift gears. I an be on the interstate going 70 on cruise and it will kick every so often, like every 2-4 minutes. RPMs will rise slightly for a half sec. Or i can jus be pulling off at the relight accelerating doing 20 and it will kick a little harder, RPMs rise like a whole number for a half second. One time in the drive through while in park, the RPMs rose slightly, engine kicked and car cut off. It cranked right back up though.

does anyone know what this issue could be or help me with it any?.

2 Answers

Relevance
  • J J
    Lv 7
    5 years ago

    Why don't you go have those codes read, you know the reason for that yellow light that has been on in the cluster. I'll bet it says random misfire.

  • Biff
    Lv 7
    5 years ago

    get it in to a mechanic already

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