What does a yellow engine indicator light mean?
Yellow lamp Indicates a failure of an Emission Control device. May illuminate at the same time as the Amber Warning Lamp. Malfunction Indicator Lamp (MIL) This is a information indicator. It Vehicle can be driven. indicates exhaust temperature is above a preset limit and the unit is operating at low vehicle speed. Lamp is yellow.
What does the red light on the Engine Lamp mean?
Flashing Red Stop Engine Lamp Indicates driver has 30 seconds to stop vehicle safely before automatic engine shutdown (if the Engine Protection Shutdown feature is enabled). High Exhaust System Temperature (HEST) Lamp Indicates that high exhaust temperatures may exist due to aftertreatment regeneration. Aftertreatment DPF Lamp
What does Def indicate on a diesel engine?
Four Stages Of DEF-Related Warnings. How To Perform A Parked Regeneration. Lamp Description DEF Gauge Driver Action 1. 2. 3. 4. Solid Diesel Exhaust Fluid (DEF) Lamp DEF level is low. Solid DEF Lamp and Check Engine Lamp Indicates lower DEF level, incorrect DEF type or an SCR system issue. Driver will experience a mild loss of engine power.
What does the check engine warning light mean?
Engine/Check Engine Warning Light. What it means: The Engine/ Check engine light means that there is a problem with your engine. This light appears when there is a trouble code stored in your engine control unit. You can find this sign in a lot of different shapes like “Check Engine” and other informational texts.
Why is there a warning light on my diesel engine?
Some diesel-powered cars have a specific warning light for their diesel particulate filter (DPF), whereas others don’t and rely on the EML providing a warning instead. The latter is sometimes also illuminated if the car detects a fault with the differential pressure sensor, which determines how effectively the DPF is performing.
What causes the engine management light to come on?
The latter is sometimes also illuminated if the car detects a fault with the differential pressure sensor, which determines how effectively the DPF is performing. In simple terms, this is a device that measures the ability of gas to pass along the exhaust, which includes passing through the diesel particulate filter.