Skip the auto shop - Our mechanics make house calls

Q: Car won't start while it's hot. After cooling it starts right up

asked by on

Same as above

My car has 170686 miles.
My car has an automatic transmission.

Hello. First we need to know if the vehicle is cranking over or not. If it is, then the heat is likely causing expansion and the electrical components are struggling. If the engine is not cranking over then the starter or battery are likely to blame. Both of these can be tested outside of the vehicle, and typically at your local parts stores. You need to replicate the symptoms in order to do other testing. Then with the vehicle not able to start, you will want to verify a few things. Make sure all the electrical connections are clean, dry, and tight. This includes the charging, starting, and battery ground wires. You will want to test for spark and make sure the ignition system is working correctly. You may even want to make sure the cooling system and temperature sensors are working correctly. Further testing is needed to find the cause of the starting issues.

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: Loose sound coming from underneath the car

Hi there, The loose sound coming from under the car that doesn't seem to create any problems is most likely the sway bar end links. These links act exactly as you have described. They are fairly cheap and easy to...

Q: Huge oil leak for NO reason?

There are quite a few oil seals on an engine that could leak. If the front crankshaft seal tore or was pushed out that could create a large sudden leak. That seal is not difficult to replace though. It's possible...

Q: P2112 code. Actuator works. Throttle plate moves freely.

Hello. Regardless if the actuator works when you get this code from this vehicle typically the throttle body needs to be replaced. In some cases, the problem may be the accelerator cable or the connection at the throttle body. I...

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...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...