Skip the auto shop - Our mechanics make house calls

Q: Throttle issue

asked by on

I am having a throttle issue, as it's very slow to engage, and then goes hard.

A: What you are describing sounds like hesitat...

What you are describing sounds like hesitation. The most common cause of hesitation is the MAF, or Mass Air Flow sensor. This sensor is solely responsible for measuring the air going into the engine, and with the air, the computer must add fuel. If this sensor is dirty or malfunctioning, the proper amount of fuel will not be added. Also, the intake hose from the MAF to the intake manifold should be checked; there could be cracks, improper connection, unplugged hoses, etc., which would all affect the reading, and produce hesitation. I recommend having a certified technician, such as one from YourMechanic, come out to your car's location to run a diagnostic inspection of your hesitation issue, and suggest the best path to repair.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Car shuts off at idle

Hi, thanks for writing in. This is a sign of a failing idle air control valve. This is a unit that regulates the air flow into the engine as it is mixed with fuel prior to being injected into the...

Q: I can put my clutch in and put the car in gear and car won't die?

The first issue sounds like you have throttle problem. You may want to take off the intake and see if your throttle body is moving freely. It could be dirty and need to be cleaned. Check the cable that is...

Q: White smoke from exhaust and car rumbling while stopped or idling.

It sounds like you may be getting oil into the combustion chambers of your engine causing it to burn off in the exhaust. This is the white smoke you see. This may also be related to your idle issue as...

Related articles

How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.