Why does my Def gauge light keep blinking?
Filled back up at my fuel stop and things are normal at first. While driving in Pennsylvania, Amber LED by DEF gauge starts blinking and then check engine light comes on. I pull off on a ramp and discuss the situation with my fleet roadside service.
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 a flashing Def indicator light mean?
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. SCENARIO THREE: YOUR DEF LIGHT IS FLASHING/BLINKING, AND THE CHECK ENGINE LIGHT IS ON.
What’s the problem with the fuel light blinking?
Hello, I have a same problem on my 2002 Ml500, the fuel light starts blinking but I definately have a full tank and I chagned the fuel cap. Everytime I turned on the engine and run for 10 to 15 miles, then fuel light starts Blinking. I turned the enginee off the fuel Blinking gone. Anyone have thoughts on this? Thanks.
What happens when Def gauge goes down to half?
So DEF just got down to half. Filled back up at my fuel stop and things are normal at first. While driving in Pennsylvania, Amber LED by DEF gauge starts blinking and then check engine light comes on. I pull off on a ramp and discuss the situation with my fleet roadside service.
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 the low Def yellow light flashing?
Vocational, Technical or Tra… My check engine light came on, and when I stopped, the yellow light on fuel gage, above DEF gauge. Is flashing. My fuel level shows just under … read more
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.