We have a F450 and the exhaust fluid light is on and the computer shows"Speed limited to 50 MPH in 99 miles" and when we try to add fluid it bubbles over. What should we do?

Asked by Sep 16, 2013 at 10:59 PM about the 2011 Ford F-450 Super Duty XL Crew Cab DRW 4WD

Question type: Maintenance & Repair

This vehicle is a military vehicle so we need to get it back to the unit and we dont have much experience with vehicles needing exhaust fluid so it is new to us.  So the dash is showing that the vehicle will be limited to 50 mph in 99  miles.  I know that if the fluid gets very low that the vehicle will ultimately idle only.  We have some Adblue fluid to put in but we think there is still a little of the fluid from the factory in the tank.  When the guys tried to add fluid it just kept bubbling over.  Please help!

1 Answer

27,235

Try buying the fluid from the dealer it will come with a funnel that has a straw in it to allow it to vent while pouring. Ive never had one bubble over so i do not know what would cuase it. But i have also only used the dealer jug and funnel.

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