Q: Engine automatically turning off after letting it warm up.

asked by on January 27, 2017

It was a warm day during January (usually cold). I go outside and let my car warm up for about 5 minutes, when I come back the car is turned off. I restarted it with no problem but the engine did turn off after only a couple of seconds. Turning it on is no problem, it's just that on some occasions it turns off automatically. After it does turn off, the engine and an ETC warning light does come on and goes away after restarting. I have a 2006 Dodge Charger Daytona R/T with around 190,000 miles
My car has an automatic transmission.

Hi There, It sounds like you may have an ignition coil pack beginning to fail. When the engine shuts off, it is normal for the lights in the dash to light up and then turn off again once the engine starts. Ignition coils are coated with a varnish-like insulation that becomes brittle over time after being stretched then contracted repeatedly The insulation develops small fractures that open when heated and close when cooled. When open, they allow shorting of coil windings and decrease or eliminate the coil’s ability to function. This type of temperature cycling happens because every time you shut the engine off, the fan stops running, the coolant stops flowing and the temperature under the hood rises. Every time you start the engine again the coolant flows, the fans turn on, and the temperature drops. When this heat dissipates and is absorbed under the hood, it is trapped causing this cycling effect. Components that contain heat sensitive materials include parts like coils, injectors, igniters, and some sensors. Any of these may be potentially subject to this same kind of heat problem which can be very difficult to trace. I would recommend having an expert from YourMechanic come to your location to take a look at your vehicle.

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

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

Car is making a grinding noise and brakes pop when turning and braking

Hello, thanks for writing in about your 1999 Chevrolet Tahoe. From what you've described I believe you have a problem with your brakes. Screeching and popping could all be due to brakes pads being metal to metal. You need to...

"Check gauges" light is on.

In most cases, one of the gauges on the dashboard may be reaching a high, low or inaccurate value to trigger the check gauges light. The idle control valve is not located near the belt but may cause starting or...

Ticking sound from engine

Ticking is usually valve train related. Your engine has hydraulic lifters, they are self adjusting. One thing that can go wrong is the rocker stud can pull out of the head. They are pressed in originally. Check the nuts have...

Related articles

A Buyer’s Guide to the 2012 Dodge Challenger
The The 2012 Dodge Challenger has high performance, great features, and good pricing. It is comfortable for every day driving while still providing enough space for four people and their cargo. Key Features Under the hood of the vehicle is...
The Best Used Cars to Buy If You're an Archeologist
If If you are an archaeologist, you need a vehicle that will take you off the beaten path. After all, that’s where you spend a good deal of your time. And that means that you will need, ideally, an SUV...
The Best Used Cars to Buy If You're a Dog Trainer
If If you are a dog trainer, you expect a lot from your vehicle. You want a ride that is safe, roomy, and of course, dog friendly, since your training operation will often mean that you need to transport the...