Skip the auto shop - Our mechanics make house calls

Q: Car cranking without key in ignition

asked by on

I bought new battery new alternator and new starter and car still doesn't start and it cranks without the key in ignition need help please tell me what might be the issue

This is usually a sign of a faulty starter solenoid. There are a few wires that connect to the starter solenoid coming from the battery, the starter, and the ignition switch. When these wires are connected incorrectly or when there is an electrical short, this can cause voltage from the battery to be delivered to the solenoid inadvertently causing the car to crank without the key in the ignition. I would recommend having an expert from YourMechanic come to your location to diagnose the cranking issue so that this can be corrected.

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: Engine turns over good but won't start what might be the problem? It misfired one time and hasn't started since.

Your engine requires spark, air, and fuel to start and run properly. Air is almost always present so that leaves spark and fuel. Depending on the vehicle, if a crankshaft sensor is faulty, the engine control unit may not receive...

Q: Car battery drain

You must hire an automotive technician, like one from YourMechanic, to perform a parasitic drainage test on the vehicles electrical system. The mechanic will install a device to read system voltage to check for the drain and can pull fuses...

Q: Car will not start. It was running fine, normal shut down, and wouldn't start back up five minutes later.

It really does sound like your battery has gone dead. Sometimes they can develop an internal short where they seem fine one moment then go dead the next. The indicators on the chargers usually don't tell the whole story. ...

Related articles

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...
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.