Table of Contents
- 1 Where is the throttle position sensor located?
- 2 Where is the throttle pedal position sensor switch?
- 3 How do you reset the throttle position sensor on a Chevy?
- 4 How do you adjust the throttle position sensor on a Chevy?
- 5 Where is the crankshaft position sensor on a Chevy?
- 6 What are the symptoms of a bad throttle position sensor?
Where is the throttle position sensor located?
A throttle position sensor (TPS) is a sensor used to monitor the air intake of an engine. The sensor is usually located on the butterfly spindle/shaft, so that it can directly monitor the position of the throttle.
Where is the throttle pedal position sensor switch?
The Throttle Position Sensor/Switch is located on the Throttle Body of the Intake Manifold and the Pedal Position Sensor/Switch is part of the Accelerator Pedal assembly. These sensors provide precise input from the driver’s foot in terms of how MUCH power is needed from the engine and, how URGENTLY power is needed.
What controls the throttle position sensor?
The throttle position sensor is mounted onto the throttle body and measures the opening and closing movements of the throttle valve and these are transmitted to an engine control module, this information, as well as other measurements including; temperature, engine RPM and mass air flow (MAF), are used by the engine …
How can you tell if a throttle position sensor is bad?
Test the TPS using a digital multimeter. Make sure that it’s still working and, if necessary, visually inspect and test the wires and connector. If the sensor tests OK, erase the code. If it comes back or you notice a performance issue.
How do you reset the throttle position sensor on a Chevy?
The easiest way to reset your throttle position sensor is to unhook the negative cable from your battery for up to five minutes or to remove the fuse for your engine control module.
How do you adjust the throttle position sensor on a Chevy?
Loosen the throttle position sensor retaining screw with a Phillips-head screwdriver. Adjust the TPS by moving it back and forth until the voltage is between 4.0 and 5.5 volts. Hold the TPS in place and tighten the retaining screw with the Phillips-head screwdriver.
How does the throttle position sensor work on a GM Truck?
Like the majority of throttle position sensors on modern fuel injected cars and trucks nowadays, the GM TPS is a three wire sensor. Each wire provides a specific type of signal to the TPS or to the PCM (Powertrain Control Module=Fuel Injection Computer). Below are the circuit descriptions of each: Circuit labeled 1 :
What are the DTC codes for the throttle position sensor?
TPS diagnostic trouble codes (DTC’s) stored in the vehicle’s computer’s memory. P0121: Throttle Position Sensor Performance. P0122: Throttle Position Sensor Circuit Low Voltage. P0123: Throttle Position Sensor Circuit High Voltage.
Where is the crankshaft position sensor on a Chevy?
The chevy crankshaft position sensor is located underneath the harmonic balancer, side of the engine by the oil filter and knock sensor area or on the back side of the engine near the torque converter.
What are the symptoms of a bad throttle position sensor?
Here are some common symptoms of a bad or failing throttle position sensor to watch for: 1. Car won’t accelerate, lacks power when accelerating, or accelerates itself It may feel as though the car simply doesn’t accelerate as it should, and jerks or hesitates as it picks up speed. It may accelerate smoothly, but lack power.