Harley-Davidson Throttle Position Sensor Replacement: The Half of the Job Most Riders Skip
Harley Davidson throttle position sensor replacement takes two screws and a connector, then an idle relearn. Skip the relearn and the bike idles rough.
Nora Beckett
Staff Writer
Nora Beckett writes about the surprising history, science, and culture hiding inside everyday things. She is happiest when a footnote turns into a rabbit hole, and she chases the question of why things are the way they are until there is a satisfying answer.
Articles by Nora Beckett
How Long Do Throttle Position Sensors Last? It Depends on Friction, Not Mileage
How long do throttle position sensors last? There’s no mileage interval, because the part wears by friction. Here’s how to judge your own vehicle’s odds.
The Chevy Silverado Throttle Position Sensor You Can’t Buy Anymore
Chevy Silverado throttle position sensor trouble? On most trucks it’s built into the throttle body. What P0121 means and why cleaning often fixes it.
Why Your New Throttle Position Sensor Still Idles Rough
Throttle position sensor calibration teaches your ECU what a closed throttle reads like. Here’s when it’s needed and how to confirm the relearn stuck.
Why Two Hondas Get Two Completely Different Throttle Sensor Repairs
Which throttle position sensor Honda fitted to your car decides the repair: an adjustable sensor you can rotate, or a sealed electronic throttle body.
The Jeep Throttle Position Sensor Problem That Usually Isn’t the Sensor
A throttle position sensor Jeep diagnosis is often a PCM that never relearned idle after a battery disconnect. Here’s how to tell the difference.
Throttle Position Sensor Cleaning: When a Can of Spray Actually Fixes It
Throttle position sensor cleaning fixes some cars and destroys the sensor on others. The design detail that decides which one you have, and how to clean it
How to Test a Throttle Position Sensor (and What Your Meter Can’t See)
A throttle position sensor tester catches dead spots a static reading misses. How to run a sweep test with a multimeter, and when a scope earns its keep.
The Groove You Can’t Clean: Replacing a Throttle Position Sensor
A throttle position sensor replacement is the only fix once the wiper wears a groove. How to confirm it, do the swap, and handle the relearn step.
The Throttle Position Sensor Symptoms That Contradict Each Other
Throttle position sensor symptoms often contradict each other: stalling one day, surging the next. Here’s why one bad signal causes both.
The Year Your Gas Pedal Stopped Being Connected to Your Engine
What is a throttle position sensor and how does it work? The coin-sized part that turned your gas pedal into a voltage signal your engine computer reads.
The Radium Girls: The Dial Painters Who Sued a Company and Won
Who were the Radium Girls? The dial painters who licked radium paint to a fine point, then took U.S. Radium Corporation to court.