What does the yellow check engine light mean?
Check your dashboard gauges and lights for indications of low oil pressure or overheating. These conditions mean you should pull over and shut off the engine as soon as you can find a safe place to do so. On some cars, a yellow check engine light means investigate the problem and a red one means stop right now.
What could cause the check engine light to come on?
Finally, worn spark plugs or plug wires will result in a check engine warning. Just about anything wrong with your vehicle’s ignition system will likely cause your check engine light to come on. … Stalls are another indicator of spark plug trouble.
Is a yellow check engine light serious?
In some cars, a yellow check engine light means there is a problem that needs to be investigated and a red or flashing light means there is a serious problem and you need to stop right away. … If your car is indicating there is a serious problem you should pull over and turn off your engine as soon as possible.
Can low oil cause the check engine light to come on?
Low oil pressure: If your car is low on oil, it can cause your check engine light to go off. This is often shown in its own glowing light along with the check engine light on the dashboard. Overheating: If your car’s engine temperature is heating up, it can once again trigger the check engine light.
Can I drive when engine light is on?
The rule of thumb is that if the check engine light is flashing, you can’t keep driving the car. It’s an emergency. Often it indicates an engine misfire. If you keep driving, you will likely cause irreversible damage, mostly to the (expensive) catalytic converter.
Will check engine light reset itself?
Your vehicle’s check engine light will will reset by itself once the issue or problem has been repaired; this is true for most models. … A vehicle cycle is when you start your vehicle and drive it till it warms up, and then you turn the car off.
Can AutoZone check engine light?
Many drivers don’t realize that AutoZone, the nation’s largest auto parts chain, will do the following services free of charge: Read the codes on your check engine light. Test your battery’s voltage. Check your alternator and starter.
How much does it cost to fix check engine light?
The costs to fix whatever’s ailing your car — and causing the light to come on — can vary greatly. Repair costs for the most common check engine light problems range from under $20 to almost $1,200, according to CarMD’s analysis of millions of repairs recommended in 2016 in the U.S.
How long can you drive with check engine light on?
It is safe to drive your car for 50 to 100 miles (80 to 160 kilometers) regardless if the Check Engine Light signal is on. Take some individual trips so that the car’s system can assess all the car components’ status on each trip. “Individual trips” means turning off the engine and starting another trip every time.
What does yellow engine light mean on Freightliner?
A — Generally a yellow “Check Engine” light tells you that there is a problem that needs checked out. … A red “Engine Shut Down” light means that there is a mission-disabling problem that needs attention right away. If the Engine Control Module is programmed to shut down it will do so.