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Throttles

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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 Long Does a Throttle Body Temp Sensor Last?
The throttle body is an important part of your vehicle and should be monitored regularly. The throttle body temp sensor is a sensor that is mounted on the throttle body....
How Long Does a Throttle Body Last?
There are so many components involved in a vehicle running properly, but some of the main ones are rather basic in their role. The throttle body is one of those parts. This...
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 Controller
Common signs include intermittent throttle control, throttle hesitation or problems hesitating, and drastic changes in fuel economy.
How Long Does a Throttle Controller Last?
In order for your accelerator pedal to actually work as you push down on it, it needs to be connected to the throttle. In older model vehicles there was a mechanical link...
Symptoms of a Bad or Failing Throttle Kicker Actuator
Common signs include throttle hesitation, poor fuel economy, and the engine stalling often.
How Long Does a Throttle Kicker Actuator Last?
What happens when you turn down things in your vehicle such as the air conditioner? It slows down in a controlled manner. Just like when you decrease your speed it's not...
How Long Does a Throttle Control Cable Last?
As you drive through the streets and encounter different speed limits, you rely on the accelerator to speed up when needed. This is done through the use of the throttle control...
How Long Does a Throttle Return Spring Last?
Not all vehicles on the road feature an electronic throttle control (ETC), which is also called drive-by-wire. For vehicles that don't offer this system, they have a throttle cable instead that...
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 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 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.
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.
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 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.
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.

Related questions

Question
Throttle body spacers
I have used one of these type throttle body spacers on my truck and do not notice any change in the way my vehicle runs. It is supposed to increase power and acceleration. The theory is to increase the amount...
Question
My BMW can't go over 5 mph
Your car has an electronic throttle motor, which opens the throttle when you step on the accelerator. It's possible that the throttle is not activating with the pedal. A problem like that should be accompanied by a check engine or...
Question
2 Major jerks felt today while accelerating from stop.
Hi there. There could be an issue with the throttle position sensor (TPS) or a sticky throttle plate. First check to see if the throttle plate is sticking. If the plate is working properly, then check the TPS for any...
Question
I am going to replace my fuel pump and I need advice
Diagnosing a hesitant engine will take some testing and the process of elimination. Being 10 years old, the vehicle is likely due for some work, and you should keep any recent repairs in mind while looking into this. Considering the...
Question
How can I tell if it's the throttle body or the transmission at fault?
Hi and thanks for contacting YourMechanic. Check the fluid to the transmission, and look at the color of the transmission oil and see if it is red or dark red. If it is dark red (varnished), then change the oil...
Question
Can you drive a car with a bad throttle body?
From your post I presume that you have checked the codes and got a throttle body code. The car may still seem to be okay and you want to know if it is safe to drive. The answer is: probably....
Question
whats the best way to clean the throttlebody?
Hello. The best way to clean the throttle is to remove it from the vehicle. Find a throttle body or MAF cleaning product of your choice and use the nozzle that comes with it. When taking the steps to remove...
Question
When I drive a lightning bolt light comes up on the dashboard and the car loses power
The lightning bolt symbol comes up when the computer detects that there is an issue with the vehicle's electronic throttle system. Your vehicle is equipped with a throttle plate that is controlled electronically, and receives its input from the accelerator...
Question
How do I stop my car from overheating?
Once the car is completely cool, check the coolant level in the radiator. If low, that will cause overheating. If it is low, you might have a leak that should be diagnosed. If the level of coolant is correct and...
Question
My car is hard to start - 1989 Toyota pickup
Hello - yes, if it is hard to start when cold, the cold start injector might not be functioning correctly. Poor cold-starting could also be a bad temperature (engine temp) sensor, EGR valve which is not closing completely, air leaks...
Question
Need help with a reduced engine power warning light.
Hello - first thing to check is what problem code remains set. If still a TPS, double-checking the wiring at the throttle body, and also checking the throttle pedal actuator sensor. This is the "transmitter" whereas the throttle position sensor...
Question
Throttle Body needs replacing, is cardone re-manufactured 'better' than a 'new' throttle body
When it comes to remanufactured or brand new you are better off in most cases with the new one. The reason the company did not have the remanufactured one in stock is due to there has not been enough old...
Question
My car jerks when decelerating or cruising in slow speed.
Hey there. This may be a sign of a dirty or failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed with fuel prior to...
Question
Idle is running high when driven. I put it in neutral and it idles at 2300 rpms. Just had a cold air intake put in and throttle cleaned
Hi there. Assuming your vehicle has ETC (electronic throttle control), "drive-by-wire" problems can develop when cleaning is performed. Manually opening the throttle plate may have affected the close position. An idle relearn performed with a capable scanner may resolve the...
Question
Check Engine Light on code P3400 showing
Hello. This particular code indicates a performance issue with the cylinder deactivation system on bank 1. If you believe that all of the recent repairs are holding, then you may want to turn your attention the the solenoid and sensor...
Question
Lack of power at full throttle.
Hi there. Your scooter has a fuel flow restriction which could either be in the tank, lines, or carburetor itself. Let off the throttle and open the throttle again. If the scooter fixes its self, then the float bowl in...
Question
My gas mileage has dropped to 22 mpg, what could be the cause?
When a vehicle gets poor fuel economy, it's typically due to an electrical sensor that is faulty, such as the oxygen sensors, the air fuel ratio sensor, dirty fuel injectors, or the throttle body being dirty. Driving habits can also...
Question
Vehicle turns off at any rpm, at idle or highway speeds, without stumbling or warning.
This kind of a stalling issue can be caused by a variety of problems. They are typically caused by ignition faults, wiring faults, and fuel issues. Although you do not have a Check Engine Light on, you should still scan...
Question
My car needs a throttle body cleaning, but I'm worried about the idle and relearning process
Hi there. This is a very good question that I wish more people would ask. Your 2006 Pathfinder's engine control unit (ECU) does evolve and learn as it goes. Anytime you clean the throttle body or complete major "routine" service,...
Question
Truck stalls when shifting into drive from park or reverse
Hi there. The vehicle running great, once past the initial stall, leads me away from a fuel delivery concern. The stalling issue may be, the minimum airflow rate is not properly set. This could be the result of a dirty...

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