Table of Contents
What does it mean when the check engine light and battery light comes on?
The battery light will come on if the charging system and battery voltage drops below a minimum set by the factory. The check engine light is letting you know that there is a problem that a code has been set in memory that can be diagnosed. Check the charging system and repair or replace the alternator as needed.
Why did my power steering go out and battery light come on?
Typically the battery light comes on when the alternator is not providing electrical power to meet demands of the vehicle. It drives the air conditioning compressor, alternator, water pump, and power steering pumps. If the belt broke or came off due either to age, or if possibly the belt tensioner.
Can a car battery cause the check engine light to come on?
A bad battery can cause problems in electrical and electronic parts, including the computer. It can even cause a “Check Engine” light.
Can a bad alternator cause a check engine light?
if you’re driving the vehicle when the alternator goes out, the vehicle will eventually stall. on modern vehicles, an undercharging charging alternator may result in an illuminated check engine light. it may also cause all kinds of problems with the onboard electronics and computer controls.
Why does my check engine light keep coming on and off?
Test Your Car’s Battery Most car problems emanate from a faulty/undercharged battery or a poor electrical connection. With a faulty battery, there’s bound be low voltage at the car’s computer which may cause the check engine light to come on.
Why does the battery light come on when losing power steering?
My car has an automatic transmission. Typically the battery light comes on when the alternator is not providing electrical power to meet demands of the vehicle. That you lost power steering assist along with the battery light coming on, leads me to think the one common thing between them – the serpentine belt drive system – is at fault.
Why does the oil light come on when the engine stalls?
The Oil and Battery lights come on when the engine stalls because; the engine oil pressure drops to zero, and the battery is not being charged due to the engine not running. This is not an indication that the problem is due to either one.
Why is my Check Engine light on if my alternator is bad?
If the alternator is not charging the battery properly, this would explain the battery light and check engine light as many vehicles will set a check engine light in the event of a charging system failure. The oil light may be related as well but it would be difficult to tell without replacing the alternator first.