2002 Toyota Camry V6 Code Read Throttle Position Sensor
Last Updated on Dec 15, 2021
Though your motorcar was running just fine the last fourth dimension you drove it, it's suddenly interim really strange. The idle may be surging, the machine jerking while driving, and it might fifty-fifty stall out at a stop lite. Your check engine light is probably on also.
Demand immediate help for your car problem? Chat online with an good:
Without plugging in a lawmaking reader, information technology's a skillful guess you're having some sort of trouble with the throttle position sensor. Here we go over how a throttle position sensor (TPS) works, get over the most common bad throttle position sensor symptoms, and provide some estimates on its replacement price.
How a Throttle Position Sensor Works
Every vehicle with an internal combustion engine has something called a throttle body, also referred to as a butterfly valve. This valve is positioned in the middle of the intake manifold and the air filter.
The chore of the throttle is to manage the air period that goes into the engine. Equally the commuter steps on the gas pedal to accelerate the vehicle, more air is needed in the internal combustion chamber of the engine.
While more air enters the engine, more than fuel gets injected into it also. The ignition of this mixture is how engine power is created.
The position of the throttle determines how much air enters the engine. At that place is a component in the fuel management system called a throttle position sensor which detects this position.
When yous want to accelerate the vehicle, the sensor gives the throttle position information to the engine control unit. From there, the engine control unit will manage the throttle and allow information technology to take in whatsoever corporeality of air is needed in the engine.
The harder yous pace on the gas pedal, the wider the throttle will open up to permit more air flow into the engine. At the same time, more fuel volition be injected into the engine cylinders to create a balanced mixture for combustion.
See Also: iii Causes of an Electronic Throttle Command Light On
Common Symptoms of a Bad Throttle Position Sensor
If you take a bad throttle position sensor, then the engine control unit (ECU) will non know the position of the throttle. As a result, the engine control unit will non exist able to properly regulate the amount of air that enters the engine and then that a successful combustion tin be made. This will ultimately impact your driving power to the point where it is dangerous to stay on the route.
When you have a damaged or worn out throttle position sensor, you will notice the symptoms of this problem correct abroad. You lot might not know it is the sensor'southward fault, but the symptoms should motivate you lot enough to accept your vehicle to the mechanic and detect out what they think.
Chances are, they will tell you it is the throttle position sensor if you feel two or more than of the following symptoms.
Related: Symptoms of a Bad Throttle Body
#1 – Check Engine Warning Light
The throttle position sensor is a primal component of the overall internal combustion process. If this sensor goes bad, your engine will ultimately fail to produce sufficient power to conform your dispatch needs.
The engine command unit of measurement will detect this problem when information technology exists then actuate the Check Engine warning lite on the dashboard. That manner, yous will be aware that your engine has some kind of problem that needs to be addressed.
Mutual diagnostic trouble codes related to the TPS include: P0121, P0122, P0123, P0124, P2135, and P2138.
#2 – Weak Acceleration
A bad throttle position sensor ways the engine control unit cannot manage the throttle position properly. The engine won't exist able to receive the proper corporeality of air because of this. Whenever you go to accelerate your vehicle under these conditions, the dispatch will be very weak.
Y'all'll be lucky if yous tin move the vehicle faster than thirty miles per hour. This volition cause you to consume a lot of gasoline, and ultimately ruining your car's fuel economy.
#three – Engine Rough Idling
When you stop or park your vehicle somewhere, its idle RPM should be somewhere in the vicinity of 600 to 900 RPM. If you lot detect the engine RPM below or above that range while your vehicle is stopped or parked, then you have a crude or erratic idling problem with your engine.
This may be due to a bad throttle position sensor if you've experienced some of the other symptoms on this listing.
#4 – Backlog Fuel Consumption
Since the throttle position sensor has a major issue on proper air/fuel mixture for burning, inaccurate readings tin can cause too much fuel to injected into the combustion sleeping room. This volition cause a rich air/fuel ratio which will result in poor fuel economy.
In improver, other sensors depend on authentic readings from the TPS. When that doesn't happen, those sensors will oftentimes compensate for besides niggling or as well much airflow. The end result is commonly the need to go make full on gas more frequently than usual.
#5 – Dispatch Changes
1 very strange acceleration problem that can occur is increased acceleration without stepping on the gas pedal. You could be driving forth on the route, and your car will simply speed up on its own out of the blueish. This tin plainly be very dangerous.
Out of all the acceleration problems that can occur, this item 1 is a clear indicator that the throttle position sensor is to blame.
Replacement Cost
An engine needs the right amount of air merely like it needs the right corporeality of fuel. If the engine does non receive the proper air amount, and then its internal combustion procedure is compromised. This means inadequate ability generation and a whole list of other problems.
You won't be able to postpone this situation for too much longer. You'll have no selection but to become a diagnostic check done on your vehicle by a certified mechanic.
If information technology is revealed that your throttle position sensor is bad, and then you will need to replace it correct abroad. The average replacement toll for the throttle position sensor is anywhere from $110 to $200. The parts cost is anywhere from $75 to $105 while the labor toll is anywhere from $35 to $95.
In addition, you lot will accept to business relationship for whatever extra fees and taxes that become added on as well. Overall, you shouldn't accept to spend more than $250 to get this replacement job done. If you shop around for an cheap mechanic, you might find a lower hourly charge per unit.
Source: https://cartreatments.com/throttle-position-sensor-symptoms/
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