Why does my Def light keep coming on?
SCENARIO ONE: YOUR DEF LIGHT IS ON. If your DEF indicator light in on, and is staying on (aka not blinking), it is attempting to tell you that your DEF level is below the established threshold. Your solution is simple, all you have to do is refill your DEF tank. Just fill it up, the light will go off, and you’ll be on your way.
When does the Def and check engine light come on?
SCENARIO FOUR: YOUR STOP ENGINE LIGHT IS ON WITH FLASHING DEF & CHECK ENGINE LIGHT. If the engine has been shut down or has idled for one hour after the DEF tank has been run dry, the Stop Engine Light will also be lit along with the flashing DEF Lamp and Check Engine Light. Engine power will continue to be reduced automatically.
What does Def stand for in diesel exhaust fluid?
Cummins Filtration has provided DEF, previously marketed under the Stableguard name, to the stationary market for over 5 years. DEF: Properties & Handling Guidelines Q. What is Diesel Exhaust Fluid (DEF)? A. DEF is the reactant necessary for the functionality of the SCR system.
How many miles does a DEF tank last?
According to the owner’s manual, a full DEF tank should last 6300 miles, but, as everyone knows by now, your mileage will vary.
How long does it take for Def light to turn on?
• In the empty and ignored state, vehicle speed will be limited to 5 mph until DEF is detected in the tank. Flashing • The parked regeneration may take up to 40 minutes. • The parked regeneration is complete when the engine returns to idle and the DPF lamp remains off. The HEST light may remain on, but the vehicle can be driven.
What does Def level mean on diesel engine?
DIESEL EXHAUST FLUID (DEF) INDICATOR LAMPS • The light bar indicates the level of fluid in the DEF tank. • Low DEF levels will trigger a decrease in engine performance. DEF level is EMPTYand IGNORED Vehicle speed limited to 5 mph / engine derated Flashing DEF level is EMPTY Vehicle speed limited to 55 mph / engine derated DEF level is very lowSolid
What does a Def level light bar mean?
• The light bar indicates the level of fluid in the DEF tank. • Low DEF levels will trigger a decrease in engine performance. DEF level is EMPTYand IGNORED Vehicle speed limited to 5 mph / engine derated Flashing DEF level is EMPTY Vehicle speed limited to 55 mph / engine derated DEF level is very lowSolid
When to add DEF tank to exhaust fluid?
TIP: DEF should be added prior to receiving an Exhaust Fluid Empty DIC message; however, it may take several miles of driving for the DIC message to update. • 4 MPH MAX SPEED NEXT FUEL FILL (Vehicle speed limited to 4 mph (7 km/h) after the second fuel fill without refilling the DEF tank.) Wonder what code number you received?
Why is my Def indicator light not blinking?
If your DEF indicator light in on, and is staying on (aka not blinking), it is attempting to tell you that your DEF level is below the established threshold. Your solution is simple, all you have to do is refill your DEF tank. Just fill it up, the light will go off, and you’ll be on your way.
What’s the low Def light on in my truck?
I just had my DEF doser and gasket replaced in my Freightliner M2. On the way home from the shop I did a test drive. Shortly after picking the truck up it started an active regen and about 5 minutes later the low DEF indicator lamp came on.
What makes the low Def warning light go off?
It can be anything in the DEF system and that light will go off. The ’12 T660 I’m in started this at 20K, and was low only one time. Finally it De-rated and got towed to the KW shop in Nashville. Turned out to be a sensor somewhere in the exhaust system.
Why is my Def light flashing with 3 / 4 tank?
I’m in Sylvester Ga, I turned off my truck with a full tank of DEF and come back to turn the truck back on to find my DEF light flashing. What is the problem? Its a Kenworth T-700 only got 174013 miles. If you have the PACCAR engine, it might be as simple as a software update you need.
What was the red light on my DEF tank?
I was making good time down I-20 yesterday morning when a glance at my gauges showed the red light on the DEF tank. Catch is that I had 5-8 of a tank.
What do the warning lights on the dashboard mean?
Only a flashing red light means pull over immediately. There are three dashboard light colors on most dashboards: yellow, red, and orange (and, occasionally, blue or green). The most severe alerts are displayed in red or orange.