How do you calibrate a throttle position sensor?
Make that the accelerator pedal is completely released or free, then turn “ON” ignition switch and wait for 3 seconds. You want completely depress the accelerator pedal very hard and fully release the accelerator pedal as quickly as possible 5 times within 5 seconds.
How do you adjust TPS on DSM?
DSM Wiseman
- Loosen the 2 TPS screws.
- Put a feeler gauge of .0177″ under the stop screw.
- Turn the car to the ON position.
- Rotate the TPS until pins 3 & 4 lose continuity (open)
- Verify that the voltage between pins 2 & 4 is . 4-1 volt with the feeler still in.
- Tighten TPS bolts and remove feeler gauge.
How do you know if your TPS sensor is bad?
Uneven Idle If your car can’t maintain a constant engine speed when it’s sitting still, your TPS may be on its way out. A constant level of fuel delivery is necessary to maintain a steady idle.
How does a TPS go bad?
When the throttle gets stuck in an open position than your vehicle will receive too much air and cause it to have a high or fluctuating idle.
Can TPS be cleaned?
Cleaning the throttle body itself can be done using carburetor fluid and a clean cloth for the removal of light sludge. During this process, the throttle position sensor should not be cleaned due to the possibility of contamination or wire damage.
How do you test a 4 wire TPS?
Unplug the TPS and measure the sensor itself with an ohmmeter. Should read between 3.5k-6.5k ohms between pin 1 (where the green/yellow wire connects) and pin 4 (black wire connects) – measure the sensor pins, not the wires.
How do I check my TPS with a scan tool?
Use live data graphing if your scanner supports it. Slowly push the accelerator pedal as you observe the live data. The graph should be a straight line with a positive slope. If it (the line) changes abruptly as you press the pedal, that means the TPS is faulty.