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Throttles

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Symptoms of a Bad or Failing Throttle Body
Common signs include dirt, grime, and carbon deposits on the inside of the housing, electrical problems, vacuum leaks, and a very poor or high idle.
Symptoms of a Bad or Failing Throttle Position Sensor
Common signs include lacking power when accelerating, rough or slow idle, stalling, inability to shift up, and the Check Engine Light coming on.
Symptoms of a Bad or Failing Throttle Position Sensor
Common signs include lacking power when accelerating, rough or slow idle, stalling, inability to shift up, and the Check Engine Light coming on.
How to Clean a Throttle Body
A throttle body needs cleaning when the engine idle is rough, the engine stumbles through acceleration, or the Check Engine Light comes on.
Symptoms of a Bad or Failing Throttle/Accelerator Pedal Position Sensor
Common signs of a faulty pedal position sensor include inconsistent engine response, reduced fuel efficiency, and the Check Engine Light coming on.
How to Replace a Throttle Body Due to Carbon Build-Up on Most Vehicles
Replacing a throttle body can be challenging, as it involves carefully removing a lot of other parts in the car before reaching the throttle body.
B2106 OBD-II Trouble Code: Throttle Position Input Out of Range High
B2106 trouble code means there's a range issue with the throttle position input in a 4WD system, caused by a damaged circuit in the 4WD system.
B2105 OBD-II Trouble Code: Throttle Position Input Out of Range Low
B2105 trouble code means there's a problem with the throttle position input range in a 4WD system, caused by a loose harness or short circuit.
How to Replace a Throttle Kicker Actuator
Throttle kicker actuators regulate the throttle during changes in the RPM. Hesitation and rough acceleration show the need for actuator replacement.
How to Replace a Throttle Controller
The throttle controller uses data to open and close the throttle. Common signs of failure include poor performance, stalling, and and rough idling.
How to Replace a Throttle Return Spring
Replacing a failing throttle return spring is essential to keep driving safely. It requires needle nose pliers and some hand work.
How to Adjust a Throttle Valve Cable
The throttle valve cable controls the line pressure, downshifting, and the shifting feel in the transmission. It can be adjusted to your preference.
Symptoms of a Bad or Failing Throttle Control Cable
Common signs include improper cable adjustment, slow acceleration response, a dirty or frayed cable, and cruise control not working properly.
Symptoms of a Bad or Failing Throttle Kicker Actuator
Common signs include throttle hesitation, poor fuel economy, and the engine stalling often.
Symptoms of a Bad or Failing Throttle Controller
Common signs include intermittent throttle control, throttle hesitation or problems hesitating, and drastic changes in fuel economy.
Symptoms of a Bad or Failing Throttle Controller
Common signs include intermittent throttle control, throttle hesitation or problems hesitating, and drastic changes in fuel economy.
Symptoms of a Bad or Failing Throttle Return Spring
Common signs include engine RPM staying high even after the accelerator is depressed and the gas pedal feeling spongy or not returning to position.
How to Replace a Car Throttle Cable
Throttle cables link the accelerator pedal to the throttle plate. This cable opens the throttle and lets air into the engine for acceleration.
How to Buy a Good Quality Throttle Body
Just Just like the throttle, the throttle body plays a very important part in how your fuel-injected engine runs, and makes the car move. The air intake system relies on the throttle body as a pivotal component. The air intake...
3 Essential Things to Know About Your Car’s Tachometer
The The tachometer is located on the dashboard next to the speedometer. It measures the revolutions per minutes (RPM). The tachometer can be a digital display or on a calibrated analogue dial. They are on both automatic and manual vehicles....

Related questions

Question
What is a throttle body filter
Code P0068 can have to do with the Throttle Position Sensor. It can also be due to a Mass Air Flow sensor fault. Usually this code can be set due to a vacuum leak, either somewhere in the air intake...
Question
What is a throttle body filter
I'm not sure why you are getting the definition of "throttle body filter" for the code P0068. The definition I come up with is throttle body air flow performance. In fact, all of your codes are having to do with...
Question
Truck won't start.
If you have spark and you have fuel pressure then the only thing left to test is the fuel injectors. You will need to have a fuel injector noid light to connect to the injector connectors to see if you...
Question
Throttle body needs to be replaced
Hello, thank you for writing in. It is difficult to say if the vehicle is safe to drive. If the vehicle performs well enough that you can drive it short distances, then you can continue to work with it within...
Question
stalls when put in gear
The idle control valve may be stuck or you have a vacuum leak. Try to disconnect the vacuum lines to the EGR valve to see if it still stalls. This may be due to problems in the vacuum system. Try...
Question
Slow acceleration
Thanks for writing in about the acceleration issue with your 2007 Volvo S60. At first glance, I'd agree with you that the problem would be caused by the MAF sensor, as that's what commonly causes the slow acceleration issues and...
Question
Rough idle when cold
Hello there, thank you for asking about your 1997 BMW 760Li. Your problem has many potential causes. It could be anything from a failed mass airflow sensor to a worn fuel pump. The first step is to retrieve the diagnostic...
Question
Revs up and out of control
Hello. The throttle cable could be sticking causing the RPMs to increase excessively if the throttle cable is holding the throttle open when it shouldn’t be. There also could be a bad throttle position sensor or idle control unit. These...
Question
On interstate, engine died, idled, no power
Hello there, The TPS can be a serious issue if the car dies like it did. I would not recommend driving the vehicle until repairs have been performed. There is no recall for this fault though there is a technical...
Question
My check engine light came on
You can try and have the throttle body and idle control valve cleaned first and code cleared. If the code returns then you will need to have the computer program updated for this code. There is a technical bulletin #13-FL-005....
Question
My car is on Limp mode.
Hi. Most of the time when these codes come up it is because the throttle body has failed. If you replaced the throttle body and cleared the codes and the problem persists then there may be another issue. When replacing...
Question
My car idles rough when stopped
This may be a sign of a leaky injector or potentially an incorrect idle air adjustment. A leaky injector can cause a rich fuel condition as it may leak too much fuel into a cylinder not allowing the combustion cycle...
Question
Misfires while idling
Hello there, thank you for asking about your 1986 BMW 635CSi. It sounds like you've checked all of the low hanging fruit. The previous owner may be right - some vehicles (only German ones come to mind) can develop a...
Question
Idle problems
If the throttle body is leaking vacuum on the throttle shaft then it should be replaced. If you are just getting a noise of sucking air through the throttle plates then it can be caused by carbon build up on...
Question
High idling
This may be a sign of a failing idle air control valve. The idle air control valve is located on or near your intake manifold and monitors the air intake as it is mixed with fuel prior to being injected...
Question
Electronic throttle control light is on
Newer cars don't have a choke like the old cars did. The throttle body actually has a small gap that acts as the choke. If this gap gets clogged, and it does from time to time, the car wont start....
Question
Check Engine light came on
An illuminated Check Engine Light can be caused by many different issues on a vehicle that is 15 years old; it could be anything from a gas cap, to a bad sensor. I recommend hiring a mechanic, such as one...
Question
Car starts, but dies.
I think you probably have a bad alternator. If you car starts, it's not the ECU. It could be the mass air flow sensor(MAF) but that has already been eliminated. You could have a clogged fuel filter which means it's...
Question
Car shakes at 60 mph and over
In this case, you may need to have the wheels balanced on the vehicle if the tires have already been road force balanced. While tire balancing will result in a balanced tire and wheel assembly, it does not balance the...
Question
When I turn my car on it acts as if I am flooring the accelerator
It sounds like your throttle body is sticking. You might be able to physically un-jam it but there is likely something in the system that needs replacing. I recommend you don't try starting the car anymore until you have it...

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