What do the red and yellow warning lights mean?
If both red and yellow warnings exist simultaneously, then the LED is flashed alternately red and then yellow at 2 second intervals. When ignition is off, the warning light provides information about the status of the alarm system. This warning light is used to indicate an emission related fault is detected by the engine management system.
What does a yellow service engine soon light mean?
The light illuminates, first and foremost, when there is an exhaust emission concern, low or high charging system voltage, or engine overheating condition. After all, the light is yellow rather than red, which typically means “proceed with caution” unless the engine performance is so compromised your Corvette can’t proceed.
Is there a fault in the cooling system?
NB the vacuum system operates several items / valves in the cooling system hence other issues may be present (thanks to this forum for highlighting this when I had my issue). Re: Cooling System Fault on 2015 991 C4 – Advise. Wednesday, April 01, 2020 12:30 AM ( permalink )
What does it mean when the MG warning light is yellow?
If the light remains on, or illuminates red when driving, a low tyre pressure is indicated. Low Tyre Pressure will appear in the message centre. If the light illuminates yellow a fault with the system is indicated. Tyre Pressure System Fail will appear in the message centre. Adjust your tyre pressures or seek an MG Authorised Repairer.
When does the Red coolant warning light come on?
Red warning lights are the most urgent and some, such as the engine coolant light are even more urgent. To avoid potentially significant engine damage, it’s important that immediate action is taken if the red engine coolant warning light comes on.
What does a problem with the cooling system has been detected mean?
In other cases the Warning: A problem with the cooling system has been detected message is displayed because the computer fan system or cooling system (as the message suggests) is covered in dust or ventilation is being blocked.
The light illuminates, first and foremost, when there is an exhaust emission concern, low or high charging system voltage, or engine overheating condition. After all, the light is yellow rather than red, which typically means “proceed with caution” unless the engine performance is so compromised your Corvette can’t proceed.
What does it mean when your coolant light is flashing?
Flashing: If the engine coolant light is flashing, it means there’s a fault with the cooling system.