Skip the auto shop - Our mechanics make house calls

Q: 2010 Ford Fusion SE with I4 Engine - Throttle Position (TP) and Accelerator Pedal Position (APP) sensors

asked by on

I am getting a P2119 (Throttle Actuator Control Throttle Body) fault code on my 2010 Ford Fusion SE (I4 Engine).

It is my understanding that the most probably cause is either a faulty Throttle Position (TP) sensor or an Accelerator Pedal Position (APP) sensor.

Would anyone have have the test procedure to determine if either of these sensors are faulty?

Thanks, Jay

My car has 156000 miles.
My car has an automatic transmission.

A: Since the code reads Throttle Body, the sen...

Since the code reads Throttle Body, the sensor on the throttle body under the hood may be the best place to start. The throttle position sensor measures the angle of the throttle plate and tries to match the effort shown by the position sensor on the pedal and any discrepancy here may cause the fault. Many average scanners can display this type of data, but it takes some training to decipher the information. The diagnostic and repair procedures are available to repair technicians like the ones here at YourMechanic who can determine if either sensor is at fault or if an electrical issue has come up.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Sometimes the truck will start and run just fine, and other times it will barely want to start and I need to press the gas pedal

Hello. This can be caused by a few different things. If the vehicle will run by pressing lightly on the gas pedal then it may be a bad idle control valve. If it sticks, it will allow too much air...

Q: Car stalling and dying

Hey there. All of the problems you indicated should most certainly set a Check Engine Light code. Oftentimes, a vehicle may not have set a Check Engine Light but could still contain a code in the computer's memory. Hook the...

Q: Car stalled and would not start - 2013 Ford Fusion

Hi there. This could be a concern with the push start button itself. While the push start button has been around for a short while, it's still not a perfect option. This option is taking the place of the mechanical...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.