What does it mean when the DEF light is blinking?
critically low
A flashing/blinking DEF indicator light means that your DEF level is critically low. That means drop whatever you’re doing and refill it. If you continue on ignoring that indication, the consequences could be dire. So, refill the DEF tank as soon as possible.
How many miles left when DEF light comes on?
You should get around 3000 miles per tank DEF. Most DEF tanks require one gallon of DEF for every 50 gallons of diesel fuel, and one gallon will generally last between 300 to 500 miles.
What does the stop engine light mean?
Stop Engine Light means the ECU has detected an aberration that if continued would do damage to the engine; next level above that of “warning” is the engine shutting itself down. That the light disappears is good and probably means the trouble detected is very intermittent.
What happens if I run out of DEF fluid?
If the truck is allowed to run out of DEF the engine’s power is reduced, a solid red warning will be displayed and the vehicle speed will be limited to 5 mph until the DEF tank is refilled.
Will low DEF set a fault code?
You do not get a DTC if the DEF is low. You will have a warning in the center of the instrument cluster for system checks.
Can you drive a truck without DEF fluid?
Modern trucks will not run without the DEF. Hence the need for diesel truck owners to check their fluid levels frequently. Reducing emissions should be everyone’s goal. Maintaining your vehicle would also reduce emissions and DEF consumption.
Is the Freightliner stop engine and check engine light coming on?
He sent the truck to Freightliner, and sure enough he was correct. This is a Detroit Engine, by the way. My check engine and stop engine light is coming on while driving. Flashes a few times then stays on for about 30 seconds but the engine doesn’t die.
What does the DPF status light on a Freightliner mean?
If this lamp flashes it means that parked regen is in progress and that system temperature is not up to par yet. This warning light is merely to caution the operator to be careful around the hot exhaust system and to keep flammable materials or vapors at a safe distance. iii. DPF Status Lamp:
When to stop the Regen on a Freightliner?
Any of these will stop the regeneration. The regen has concluded when the engine returns to slow idle, and the DPF light remains out. Remember, exhaust temperature increases during regeneration, so it is essential that this procedure is performed outside and away from flammable or combustible materials.
What does the Hest lamp on a Freightliner mean?
ii. The HEST Lamp: The HEST lamp is for high exhaust system temperature. It means that the exhaust is at high temperature due to extra regen speed which occurs when the truck is traveling at low rates or is parked. If this lamp flashes it means that parked regen is in progress and that system temperature is not up to par yet.