Skip the auto shop - Our mechanics make house calls

Q: Car hard to start and hesitates

asked by on

My car is hard to start. When it does start, it idles high, and hesitates when the gas is pressed. It has two brand new fuel pumps and fuel filters, a new idle control valve, new spark plugs and wires, and new fuel injectors.

A: Thanks for asking. With all of the work tha...

Thanks for asking. With all of the work that has been done to the vehicle, I would recommend having a mechanic, such as one of our YourMechanic experts, inspect your starting issue. Your symptoms sound like an air/fuel metering concern where either too much air or fuel has entered the mixture. This can be caused by miscalculations through a faulted sensor, leaking seal or failing mechanical component.

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 has been sitting and won't start

The car sitting for a year is most likely a dead battery. These cars are known to have loss of memory problems and the systems have to be reset with a factory scanner. I recommend you have a mechanic like...

Q: Hesitation of the transmission before downshifting

The transmissions in older vehicles have a cable hooked to the transmission and the throttle and when you stepped down on the throttle, you manually moved a valve in the transmission and the downshift happened pretty quickly. Now, the...

Q: My car keeps stalling at a low RPM when letting off the gas.

These codes are transmission codes having to do with applying hydraulic pressures inside the transmission. When they malfunction, they can cause the transmission to engage at lower RPM's which will cause the motor to die. If your lucky, you will...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
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...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.