Skip the auto shop - Our mechanics make house calls

Q: Sometimes my car won't start

asked by on

Sometimes my car won't start, and a little red light that looks like a dot comes on.

A: Hello, this happens a lot on this vehicle. ...

Hello, this happens a lot on this vehicle. This is a problem with the security system. The issue is not actually the security system but the computer CAN communication lines. These lines can have a poor connection causing the computer to shut the vehicle down and keep it from starting. It is a god idea to have the dealer diagnose and repair this as special equipment is needed for it.

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: Throttle light came on

Hello, if the throttle light just came on briefly and then went off, that would be normal operation. When the throttle light comes on briefly and goes off, it's letting you know that it is reducing power because it has...

Q: Just had cluster replaced on a 2005 Ford freestyle. Filled up tank and a day later was driving car fuel tank light came on

Hi there. The only mechanical item that might cause the fuel gauge to act this way would be some malfunction within the EVAP vent solenoid system. However, if this occurred right after replacing the instrument cluster, it's more likely due...

Q: Whining noise coming from car

This may be potentially related to a failing alternator as these are known for making a whining sound when they are beginning to fail. When this happens, you may also notice your battery light to come on or the Check...

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...
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...
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.