Why does my engine hesitate when I open the throttle?
The amount of fuel added by the computer when the throttle opens; may also be insufficient, if the fuel injectors are dirty or fuel pressure is low. The oxygen sensors in the exhaust monitor the air/fuel mixture; so the computer can adjust fuel trim as needed to maintain the proper air/fuel ratio.
Can a fuel trim adjustment cause throttle hesitation?
Fuel trim adjustments can compensate for dirty injectors and/or low fuel pressure to a certain extent; but occur too slowly to offset a throttle hesitation problem. Repairs will depend on what is causing the hesitation. If the cause is fuel related, it may require cleaning the fuel injectors or fixing a vacuum leak.
What causes engine hesitation when fuel meter is set?
The (MAF) sensor monitors the amount of air entering the engine. It then sends that information the engines computer, so it can set fuel metering accordingly. A stuck or failed (MAF) sensor will throw these readings off, and may result in stumbling and hesitation.
Why does my car hesitate when I hit the gas?
Engine hesitation can make your vehicle seem like its; bogging down, misfiring or stumbling when you hit the gas pedal. When you step on the gas pedal; you will suddenly feel like the power has been lost in the engine. Consequently, After the engine hesitation it goes back to normal; but it may take a second or two to respond.
The amount of fuel added by the computer when the throttle opens; may also be insufficient, if the fuel injectors are dirty or fuel pressure is low. The oxygen sensors in the exhaust monitor the air/fuel mixture; so the computer can adjust fuel trim as needed to maintain the proper air/fuel ratio.
Fuel trim adjustments can compensate for dirty injectors and/or low fuel pressure to a certain extent; but occur too slowly to offset a throttle hesitation problem. Repairs will depend on what is causing the hesitation. If the cause is fuel related, it may require cleaning the fuel injectors or fixing a vacuum leak.
The (MAF) sensor monitors the amount of air entering the engine. It then sends that information the engines computer, so it can set fuel metering accordingly. A stuck or failed (MAF) sensor will throw these readings off, and may result in stumbling and hesitation.
Engine hesitation can make your vehicle seem like its; bogging down, misfiring or stumbling when you hit the gas pedal. When you step on the gas pedal; you will suddenly feel like the power has been lost in the engine. Consequently, After the engine hesitation it goes back to normal; but it may take a second or two to respond.