Skip the auto shop - Our mechanics make house calls

Q: Slow crank, eventually turns on. Sometimes takes 10 mins to build the crank up

asked by on

I was having problems a while ago so I changed the spark plugs, changed the starter, and replaced the terminal posts because they were corroded. I still have slow cranks and sometimes won't start without a jump. I got the alternator and battery check and they are working fine.

My car has 155000 miles.
My car has an automatic transmission.

A: Hi there, thanks for writing in. I'd be...

Hi there, thanks for writing in. I'd be happy to provide some insight. If the engine is cranking very slow, then it may not start well. You should have a starter voltage drop test in order to isolate if the starter or one of the wires to the starter is causing the problem.

If you would like help, consider having an expert automotive technician from YourMechanic come to your home or office to inspect and diagnose this issue for you, and make any repairs as needed.

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: Creaking noise on turns

Hello, this could be a number of issues but it sounds like a worn bushing or worn part causing this noise you are hearing. The control arm bushings on these vehicles are known to fall apart at about 50k miles...

Q: How do I lock and unlock the doors with the key

You can lock and unlock all of the doors in your vehicle with the key. To lock the doors, insert the key into the lock on the driver’s door, and rotate the key counterclockwise until you hear the doors lock....

Q: ECU is disconnected and I can't program a new key. I lost the original key

Hi there. For your vehicle the ECU is showing a battery disconnect to the ECU for either a loose battery cable or a loose connection. Check the battery terminals and make sure that they are tight and clean from any...

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...
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.