Why are my Revs not dropping with the throttle closed?

Why are my Revs not dropping with the throttle closed?

It sounds like a vacuum leak. (a lean condition). One could surmise that this same lean condition could be caused by some crud partially blocking your fuel passages, but then you’d still need extra air. (Maybe the throttle blades have always been a little bit too open to compensate for some issues with the carb, and it is now coming to light?

When do you need to replace the throttle position sensor?

As soon as you see a mix of these throttle position sensor symptoms, you should test the TPS and if it isn’t functioning properly, it needs to be replaced. Unfortunately, a TPS cannot be repaired as it is a tiny sensor but the good news is that a new sensor “usually” isn’t too expensive so you can get back on the road soon enough.

How is the throttle connected to the accelerator?

In the old days, there used to be a cable that was connected from the throttle to the accelerator. But now in the technological age, the car’s computer controls when the throttle opens and closes by the feedback it gets about the acceleration of the vehicle.

It sounds like a vacuum leak. (a lean condition). One could surmise that this same lean condition could be caused by some crud partially blocking your fuel passages, but then you’d still need extra air. (Maybe the throttle blades have always been a little bit too open to compensate for some issues with the carb, and it is now coming to light?

What to do when your revs are not dropping?

I adjusted the cables and magic perfect idle again. A tip on the weights determine if the mechanical advance is the problem is to warm bike up return throttle to off hit kill switch then wait till engine completely stops and without touching throttle crank bike.

Is there a way to reset the throttle body?

This method is almost foolproof as long as all ECU control parameters are within their normal ranges. Resetting The Throttle Body Calibration (this step is conditional) A Rough Idle or a SES can sometimes be caused by a change in the throttle body position sensor calibration.

What are the symptoms of a bad throttle / accelerator pedal?

Symptoms of a Bad or Failing Throttle/Accelerator Pedal Position Sensor. $79.99 – $89.99. Average rating from 4,829 customers who received a Check Engine Light is on Inspection. The days of having to constantly adjust the throttle cable due to a loose nut on the carburetor are long gone.