One of the most common symptoms of a bad throttle body, or throttle position sensor, according to Reference, is when the car either hesitates to accelerate or stumbles during acceleration. If there seems to be just a bit of a delay between the time you push on the gas pedal and the time it takes for the car to go, a bad throttle body could be the cause.Continue Reading
One symptom of a throttle body going bad is if the vehicle stalls at any time either when starting the engine or driving the vehicle.
Although there may be other reasons for the check engine light to come on, this could be another symptom of a bad throttle body. Every time the check engine light comes on, the owner of the vehicle should always check for problems with the car or take it to an experienced mechanic.
Some of the causes of a bad throttle body include a bad ground, an open circuit, possibly too much resistance in the circuit, or even a loose connection. If any of these problems are suspected, speak to an experienced mechanic as soon as possible to have the throttle body checked and repaired so that you can get back on the road safely.Learn more about Car Parts & Maintenance
The two most common symptoms of intake manifold gaskets failing are sluggish acceleration and coolant loss. When an intake manifold gasket fails, the leak causes extra air to be sucked into the engine. This causes a decrease in gas going into the cylinders and makes the acceleration respond slowly.Full Answer >
Some symptoms of a vehicle's mass air flow sensor going bad are difficulty starting the engine, engine stalling and hesitation during acceleration. These problems are similar to those caused by a faulty fuel pump.Full Answer >
Problems with acceleration, engine misfires, reduced fuel mileage, stalling and difficulties starting the vehicle are all possible symptoms of a bad crankshaft sensor, according to 1A Auto. A bad crankshaft sensor may also cause the vehicle to idle roughly or make the check engine light come on.Full Answer >
According to Repairpal.com, symptoms of a bad knock sensor include poor acceleration, knocking noises during acceleration, poor fuel mileage and a visible check engine light. The symptoms of a bad knock sensor typically occur during heavy loads or at high speeds. Autopartswarehouse.com explains that the knock sensor has a direct effect on the engine’s ignition timing. A bad knock sensor causes a decrease in acceleration and fuel mileage.Full Answer >