2009 Toyota Corolla "car jump rpm" Questions

...jump starting a friend's car. It spiked the electronic control unit (ECU) computer. I changed the ECU and the problem was fixed. Need more information. How many miles do you have and has the Check ...

...car shakes before 2 rpm/0-10 mph and the check engine light turn on. After from more than 2rpm/15 and above mph. The car stop shaking and the check engine light turns off. What is going with my car? ...

car to what mechanics call "lean out" or "running rich" its basically your getting too little or too much fuel at higher RPM's and the motor is choking from too much fuel and not enough air. Hope this

car then RPM was jumping between 1200 to 2000 when car was in idle mood (neutral)..So I disconnect the Mass Air Flow Sensor .then i start my car again .then everything is perfect.RPM is 750 to 800 now

...RPM goes down. What can be the possible cause? or such slight missing few times is normal in first starting when car is cold? not normal. bad spark plug wires they may be gapping or jumping spark. ...

missing? and fuel problem i have a 1989 corolla and it sounds like its missing only in gear and when i get it to high rpms it runs fine and it uses way to much gas i just did a recent tune up You ...

rpm for a few seconds and then jump to 1000rpm for a few seconds and does this consistently. It does this all the time, warm or cold. No problem when I drive it. Only happens in park. If you dont have

1989 Toyota Corolla. Died while driving, would not restart until cold. After starting cold has a rough idle, and requires accelerator pedal pressure at stops to keep from dying. Replaced igniter, pick

...car in morning the RPM is 1200 to 1000 without A/C .but After 50 KM Drive when i am on Neutral Mood .my Car RMP is jumping between 800 to 400 .and engine start shaking ..what is the problem ..plz ...

My 1989 16v toyota corrolla maily shut down when releasing clutch while on gear 2, its rpm jumps up and down. What might be the cause? clutch or throw out bearing