Skip the auto shop - Our mechanics make house calls

Q: Car is taking longer than usual to start

asked by on

Sometimes but not every time. Maybe 3 out of every 5 starts my car cranks for a long time before starting. The longest time it has took so far has been about 5 seconds. What could be the problem? Thank you

My car has 119700 miles.
My car has an automatic transmission.

Hello. If this problem occurs more consistently with the "first startup of the day" or after the car has been sitting some time, the problem may be low residual fuel pressure. A check valve in the fuel system should maintain some fuel pressure so that the fuel pump doesn’t have to run very long (a second or two) before there is enough pressure to start the engine. If the valve allows pressure to leak down completely, the fuel pump has to run longer to develop adequate pressure. If you need assistance with these checks, I would recommend having a hard starting inspection completed by a mobile, professional mechanic, such as one from YourMechanic, to diagnose the problem, get an accurate assessment of damage and cost estimate for repairs.

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: fluids

Such a small amount of coolant may not completely damage the system, but you still do not want it in the power steering system. The power steering system uses a hydraulic fluid and engine coolant may cause the fluid to...

Q: What would cause my AC and heater to not work in my 1994 BMW 525i

Hello. If both of these have not worked since the transmission was replaced then I would start by checking all of the connections that were taken off during the replacement. It is possible that there is a bad ground connection....

Q: It takes two or three turns on the ignition to start the vehicle

Claimed by Blake Griffin

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
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...
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.