Easy tips

What causes the tachometer needle to bounce while driving?

What causes the tachometer needle to bounce while driving?

The bounce of the tachometer needle happens when speed is constant under little to no torque, anywhere between 30-58 km/h, the RPM ranges 1300-1800-ish {if I press or release the accelerator slightly the RPMs stay steady, and the bouncing tach needle stays steady}.

Why does my car shake at 55 mph?

This procedure involves adding small amounts of weights to each wheel and it is done using a machine. You would notice a problem with the tire balance when driving at a speed between 55 and 65 mph. However, at a higher speed, the vibration is no longer felt. 3. Brake Problems

What kind of car loses power at highway speed?

2003Nissan Altima 2.5s…. while driving at highway speed {60} the car lost all power and died and all dash lights went off. A second or two later all the lights on the dash and headlights as well as radio came back on. I tried to put it in neutral and restart it while it was coasting but the starter wont engage to try and start motor.

Does your S10 jerk / Buck at steady speed / RPM?

Does your s10 jerk/buck at steady speed/rpm, let’s fix this togheter! Not open for further replies. I’m a member of many s10 forums, and these days they are flooding with members that has the intermitent jerk/buck at steady speed/rpm problem.

The bounce of the tachometer needle happens when speed is constant under little to no torque, anywhere between 30-58 km/h, the RPM ranges 1300-1800-ish {if I press or release the accelerator slightly the RPMs stay steady, and the bouncing tach needle stays steady}.

What should I do if my accelerator pedal is bad?

In such a case, it is advised to pull over immediately and call a mechanic since bad pedal timing can prove to be fatal. The optimal RPM of a car engine is around 600 to 700 rotations per minute. At these RPMs, the engine idles smoothly without shaking and consumes little fuel.

What does the accelerator pedal position sensor do?

They help to acheieve better gas mileage, and a smoother, comfortable and safe drive. Almost every modern car now has a sensor called the TPS and an accelerator pedal position sensor. As the name implies, these sensors are precision devices which determine the position of the accelerator pedal.

How does the computer adjust the throttle body valve?

The computer then uses that information to adjust the air-fuel mixture and the throttle body valve according to the gas pedal position, current speed, the air temperature, MAF reading, and RPM. The result is a smooth and responsive drive.

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Ruth Doyle