What does the warning light on the throttle control mean?
That lightning bolt warning light is for the Electronic Throttle Control as others have said. That warning light started coming on the first summer I owned my 2013 JKU. It spent almost two weeks in the dealer shop and they finally said they do not know why it comes on.
What do you need to know about the throttle position sensor?
The throttle position sensor (TPS) is used in fuel-injected and carbureted engines. The TPS is used to monitor the position of the throttle butterfly valve. When the car accelerates, the butterfly opens to allow air into the intake manifold. There are a few signs that could signal that the throttle position sensor is failing.
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.
When to see the electronic throttle control light?
The only other time you should see the electronic throttle control light is when you turn on your vehicle. At this point, your vehicle is completing a system check, and when everything checks out, the light should turn off.
What does the throttle control light mean on a Jeep Wrangler?
While driving at roughly 70 mph on highway throttle felt a little weird then the rpms dropped to zero as the electronic throttle control light on the dash came on. Immediately headed for the shoulder as I lost power steering and power braking although the electronic steering/braking system was alerted during my swerve towards the shoulder.
Why is the throttle control unit so important?
The throttle control unit is necessary to ensure you are getting the optimum amount of power from your engine. If it fails you are bound to face countless problems in your daily drive. Which is why when trouble arises in the ETC light comes on in your dash. SEE NEXT: What is Piston slap? – Information & Fixes
What is the first sign of throttle control failure?
The first sign of throttle control failure is a non-responsive throttle. This happens when you press the throttle but you do not get a quick response in terms of faster acceleration. You will feel a weak throttle response and at times a jitter before your car accelerates.