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2008 Chevy Impala Throttle Position Sensor


Jun 8, 2022

What are the symptoms of a defective throttle position sensor?

  • An unexplainable bucking and jerking in the vehicle.
  • Sudden idle surges.
  • Sudden engine stalling without any apparent reason.
  • Hesitation while accelerating.
  • Sudden surges in speed while driving on the highway.
  • Intermittently flashing of check engine light for no apparent reason.
  • Difficulties in changing gears.
  • via

    What happens when your throttle position sensor goes out?

    What happens when my throttle position sensor goes bad. When a TPS goes bad, then the car's throttle body won't function properly. It could either stay shut or it won't close properly which is a severe issue. If it stays shut then your engine is not going receive air and it won't start. via

    How do I reset my throttle position sensor?

    The easiest way to reset your throttle position sensor is to unhook the negative cable from your battery for up to five minutes or to remove the fuse for your engine control module. via

    How do you reset the throttle position sensor on a Chevy Impala?

    Turn ignition switch “ON” and wait at least 2 seconds. Turn ignition switch “OFF” wait at least 10 seconds. Turn ignition switch “ON” and wait at least 2 seconds. Turn ignition switch “OFF” wait at least 10 seconds. via

    Will TPS cause transmission problems?

    Throttle Position Sensor

    It is used to determine engine load and if it fails it can cause automatic transmission shifting problems. via

    Can a throttle position sensor be cleaned? (video)


    How much does a TPS sensor cost?

    The average replacement cost for the throttle position sensor is anywhere from $110 to $200. The parts cost is anywhere from $75 to $105 while the labor cost is anywhere from $35 to $95. via

    How do you adjust the throttle position sensor on a Chevy? (video)


    How do I reset my GM electronic throttle control manually?

    Resetting your electronic throttle control manually can be a tricky job. First, make sure the accelerator pedal is fully released. Next, turn the ignition on and then turn it off and wait for ten seconds. During these ten seconds, be sure the throttle valve is moving by listening for a sound of operation. via

    Why does my Impala jerks when I accelerate?

    Dirty Fuel Injectors

    Dirty fuel injectors are among the most common reasons for why an accelerator becomes jerky. The dirty injector leads to your car losing power when you attempt to accelerate while at a stop and when you try to drive at a consistent speed. This is the result of an engine misfire. via

    How do you change a throttle body on a 2008 Chevy Impala? (video)


    How do I fix limp mode?

    The next fix you can try is to shut off the engine and let it rest for at least 5 minutes. During this time you can check the engine oil level, as well as the level of all the other fluids under the hood. Sometimes, this brief rest will allow the computer to reset itself and bring it out of limp mode. via

    Can a wheel speed sensor cause limp mode?

    Yes, a defective wheel speed sensor can cause limp mode in a car. A bad wheel speed sensor can result in a loss of traction control and stability. This, in turn, can trigger the ABS system to disable the traction control and stability systems. via

    How do I know if my throttle body is working?

    To check it, touch the negative multimeter probe to the negative wire TPS tab and the positive problem to the positive tab. You should see around 5 volts on the multimeter if everything is working. Now, you should check the signal voltage. via

    What is a common throttle position sensor failure?

    Common signs include lacking power when accelerating, rough or slow idle, stalling, inability to shift up, and the Check Engine Light coming on. via

    Can a throttle position sensor cause a no start?

    No Start Condition

    Quite rarely but surely enough a bad throttle position sensor can create a no-start condition where you may be able to just crank the engine and not turn it over. via

    How do I reset my throttle body after cleaning? (video)


    How many hours does it take to replace a throttle body?

    How long does a throttle body replacement take? The job usually takes around an hour for either a replacement or a cleaning. via

    How do you fix a throttle pedal position sensor? (video)


    When I press the gas pedal it won't accelerate?

    Fuel and Air Delivery Problems

    Poor acceleration can result from an engine that's running lean (not enough fuel). Similarly, a lack of airflow can also prevent the engine from accelerating as it should. Some of the most common causes of fuel and air delivery issues include: A weak fuel pump. via

    What happens when the electronic throttle control light comes on?

    The electronic throttle control light illuminates when there is an issue with the throttle system. The throttle system includes the throttle body, accelerator pedal, and the wirings between them. The electronic throttle control system control and monitors the position of the throttle. via

    What does it mean when it says service electronic throttle control?

    solution: this indicates a serious failure of your throttle control system. the engine computer is programmed to go into limp mode when the system malfunctions, in an attempt to limit your speed and prevent damage to the engine. it can be caused by a sensor failure, or even by outside electromagnetic interference. via

    Are there any recalls on a 2008 Chevy Impala?

    Summary. General Motors (GM) is recalling certain model year 2008-2012 Chevrolet Impala police vehicles because the front lower control arms may fracture. This safety recall does not include non-police Chevrolet Impala vehicles. via

    Why does my car hesitate when I accelerate?

    An engine that is hesitating to accelerate is most likely dealing with a fuel/air mixture that is too lean. Engine's that are running inefficiently will begin to show signs like hesitation which will only become worse over time. via

    Why do my RPMs jump when accelerating?

    If your car's RPMs fluctuate while accelerating, then you may be dealing with an engine vacuum leak in the engine. A vacuum leak is when there is an interruption in the air flow in the intake manifold or exhaust system of your vehicle. via

    What is code P2135 mean?

    When code P2135 is set, the ECM has found that the throttle position sensor and accelerator pedal position sensor aren't producing the expected signals that they should be. When the ECM detects this, it may put the vehicle in a fail-safe condition that limits throttle opening to 5-15%. via

    How do you clean a throttle body without removing it? (video)


    What does a throttle body do?

    The throttle body is an important part of your air intake system that controls the air flowing into your engine. It's located between your air intake and engine manifold where fresh air is pulled into the engine for the combustion process. via

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