Q: Throttle Position Sensor

asked by on November 17, 2016

So I took my car to O'Reilly's and they said that my throttle sensor was bad so I figured that I would clean it myself I took it apart and clean the sensor and however when I put it back on now that I'm driving it sometimes when I am pressing the foot on the gas or the accelerator it's not wanting to go or when I have it in park and I have a foot on the accelerator it doesn't decelerate as well as sometimes when I'm driving it and I don't have any feet on the penny pedals or brakes it wants to decelerate and jerk.
My car has an automatic transmission.

Check Engine Light is on Inspection $79.99 - $89.99 Get a Quote
Throttle Position Sensor Replacement $129.21 - $646.10 Get a Quote

Anytime you go to a parts store to get a computer scan for the Check Engine Light you are not getting a diagnosis of the problem but only a code retrieved from the engine control module (ECM) memory. This is only part of the diagnosis needed when a code for the throttle position sensor (TPS) is in memory.

You should get a mechanic like one from YourMechanic do the scan of the ECM and then diagnose any codes received for proper diagnosis of any codes received. The TPS is designed to be a sealed unit and should not be cleaned or more damage to sensor will result. If you’d like to get this fixed, you should have YourMechanic replace the TPS and then clear the ECM codes at your own location.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

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

What others are asking

Car likes to make a chugging noise when accelerating up a steep hill. It usually happens around 55 mph.

Hi there: In many cases, when your Malibu begins to struggle when you're climbing a hill it's more of an indicator of fuel system issues; such as a clogged fuel injector nozzle or dirty throttle body. It could also be...

My Check Engine Light is on - 2001 Toyota 4Runner

Hi there: When the traction control light comes on (and the system is not engaged manually), it's usually an indicator of a wheel sensor or transmission speed sensor issue as both of these parts are critical for monitoring and controlling...

Lug nut caps always falling off of the wheels

This is a common problem with many vehicles that use a two-piece lug nut design. In general, the outer piece of the lug nut loses tension on the inner lug nut due to over-tightening or normal wear & tear. If...

Driver's side window fell off track

It sounds like your window regulator has broken. The window regulator is composed of cables and pulleys that raise and lower the window. Oftentimes, the pulleys are made of plastic, and will break. This will cause the window to drop...

How long does it take to replace valve stems? 1999 Chevrolet Silverado

Hi there - unfortunately, this is a task that needs to be done by your local tire service center. To replace the valve stems requires dismounting, then re-mounting each tire, replacing the valve stem while the tire is removed. Thanks...

Message showing up on my dash board

Hi there. These lights are turning on because the computer is trying to control the vehicle because it detects a wheel that is slipping or has some instability. Most of the time, this is caused by a bad wheel speed...

My chevy venture is pulling up a po420 code but we can't seem to find out why ?

Diagnostic Trouble Code P0420 has many, many potential causes including a damaged muffler or leaks in the muffler, damaged exhaust manifold or leaks in the exhaust manifold, damaged exhaust pipe or exhaust pipe leaks, misfiring in the engine, oil contamination...

Transmission problems

My first recommendation is to have a certified mechanic verify the symptoms with a thorough transmission inspection that includes a road test. Explain to the technician what you are experiencing so they can look out for these things during the...

Check Engine Light came on. Car also has problems cranking but only when I refill it with gas.

Hi there - the first thing to do is extract the problem code(s) which are setting the "Check Engine" light. This will more efficiently direct resolution of the problem. Evaporative emission system problems are often associated with "fill-up" issues like...

Related articles

How Long Does a Neutral Safety Switch Last?
Starting Starting a vehicle is something that most car owners do without even thinking. They fail to realize just how many components have to work together in order for their car to crank the right way. In order for most...
P2779 OBD-II Trouble Code: Downshift Switch Circuit Range/Performance
P2779 means a problem with the downshift switch circuit usually caused by liquid that has spilled on the switch or other electrical issues.
P2202 OBD-II Trouble Code: Nitrogen Oxide Sensor (NOx) Sensor Circuit Low Input Bank 1
P2202 P2202 code definition Nitrogen Oxide Sensor (NOx) Sensor Circuit Low Input Bank 1 What the P2202 code means P2202 is an OBD-II generic code for the engine control module (ECM) on a diesel engine vehicle with a NOx sensor...