Why does my car stall when I press the gas?
The car will stall if the valve is too clogged or when it finally fails. If, while holding the accelerator pedal down, a small amount of pressure keeps the car running at a stop, the idle control valve may require attention. In most late model cars, this problem will usually trigger the Check Engine light.
How do you clean the throttle body on a Toyota Sienna?
How to Clean the Throttle Body on a Sienna Van
- Remove the hose clamp and vent hose from the Sienna minivan, using the screwdriver.
- Spray throttle body cleaner liberally onto the throttle body and butterfly valve.
- Wipe the throttle body cleaner off your throttle body and butterfly valve using a clean rag.
Why does my car stall when I put the accelerator down?
When an idle control valve becomes contaminated or stuck, it may lead to an unsteady and rough idle. The car will stall if the valve is too clogged or when it finally fails. If, while holding the accelerator pedal down, a small amount of pressure keeps the car running at a stop, the idle control valve may require attention.
Is there check engine light for intermittent stalling?
Many times, there will be no check engine light and no fault codes to give you a clue as to what might be causing the engine to stall. So the trick to diagnosing an intermittent stalling problem is to catch the vehicle when it’s acting up — and that rarely happens when you have the vehicle in your shop.
Why does my Toyota Corolla hesitate when I accelerate?
In turn, the ECM will inject a lower fuel amount for the supposedly lower airflow in order to keep the air-fuel ratio, which in turn will end up being too lean. This will produce the hesitation or stalling you are experiencing. In the worst cases, it will include engine knocking. Toyota Corolla ECM/ECU replacement.
Can a stalling engine be intermittent driveability?
Intermittent driveability problems of any kind are always a challenge to diagnose. When a customer brings you a vehicle and complains of a stalling problem, you may not have much to go on other than their description of what’s happening and when it happens.