Skip the auto shop - Our mechanics make house calls

Q: Hesitation over 45 mph

asked by on

I can't drive more than 45 miles per hour without hesitation

A: Improper air metering or fueling can hinder...

Improper air metering or fueling can hinder engine performance. A clogged fuel filter can offer enough fuel for an engine to start, but lack in enough volume for higher loads. Have an experienced technician look over the vehicle fueling and air metering systems as well as the ignition for faults. A professional technician will be able to use an automotive scanner to monitor vehicle data and diagnose your vehicle’s hesitation issue.

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・Fair and transparent pricing

Get a quote

What others are asking

Q: My car won't start

If your car cranks but does not start will need to have some tests done to verify the failure but the most common failure is the fuel pump in the fuel tank stops pumping. Have someone turn the key on...

Q: Car bucks when I put it in reverse and drive.

Check your idle speed. If your vehicle is idling too high, it will buck when you engage the transmission. Your idle speed in park should be around 500-600 RPM's. If you are noticing the RPMs to be higher that usual,...

Q: Cigarette lighter and console lights not working

The circuit for the light in the cigarette lighter is powered by the same power as the instrument cluster lights. If those lights work then you may just have a bulb that is bad and needs replaced. If you would...

Related articles

How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...