Turn on the scanner and navigate to “Module Setup.” Then, go to “Reductant Fluid.” Thereafter, move to “Tank Level Reset” and reset the system. This will reset the warning to “None.” After that, navigate back to “Reductant System Data Reset” and engage the reset again here.
In the empty and ignored state, vehicle speed will be limited to 5 mph until DEF is detected in the tank. 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.
How do you reset the computer on a Ford diesel truck?
Answer provided by
Start by turning off your car and disconnecting both battery cables.
From there, get into the driver’s seat and turn the ignition to the Accessory position.
Leave it in the Accessory position for 20-30 minutes.
Then, remove your key and reconnect the battery cables.
What does it mean when it says service exhaust fluid system?
Service Exhaust Fluid System (Tamper) – Displays when a Diagnostic Trouble Code (DTC) sets related to the DEF system that is interpreted as tampering with the system. Service Emission System (Not-Tamper) – Displays when a DTC sets related to the DEF system that is interpreted as an Emission Control fault.
How do I reset my service exhaust fluid light? – Related Questions
How long does a reductant fluid quality test take?
The Reductant Fluid Quality Test (RFQT) may not pass the first test or it may time out (45 minutes for LGH, 70 minutes LML).
What does it mean Exhaust Fluid Quality Poor?
The Exhaust Fluid Quality Poor DIC message notifies the customer that the ECM has detected a drop in the SCR NOx reduction efficiency. This PI is to assist with vehicles that have difficulty completing the Reductant Fluid Quality Test (RFQT) and/or clearing the Exhaust Fluid Quality Poor Message.
How much does it cost to service DEF system?
How Much Does It Cost To Replace A DEF System?
Vehicle
DEF Cleaning Cost
DEF System Replacement Cost
Chevy Silverado 2500
$1085-$1955
$5000-$8000
Ford F-250 Super Duty
$1200-$1800
$4000-$6500
Dodge Ram 2500
$1200-$1500
$4300-$7500
What causes DEF system failure?
Dirt / Metal Contamination: Contaminated DEF can cause abrasion of the DEF pump. Dirt, rust or tank scale can occur with improper of DEF storage or handling (e.g. res-using disposable DEF containers). UREA Concentration (Dilution): Diluted DEF (too much water) reduces its NOx neutralization effectiveness.
How do you fill up exhaust fluid?
Can you drive with low def fluid?
The DEF light glows when it is time to add fluid, and as to whether it is safe to drive with the light on, yes, it is.But you shouldn’t. If you do, you could be in trouble.
Press and hold the “0” button until you hear a beep sound.
Press the “M” button until the screen displays “Reset 51.”
Press and hold the “0” button until the screen says that the reset is done.
Turn the key on.
Will a diesel run without DEF?
All told, DEF is just as important to your vehicle as fuel, coolant, oil and all the other fluids you regularly check and replace. Your machine will not function without DEF, and you can face serious consequences from letting the DEF tank run dry.
What happens if you run a diesel out of DEF?
However, if your vehicle regularly runs out of DEF, you may be looking at a bigger problem. In some cases, this can cause your exhaust system to clog with debris, impacting your engine’s ability to run efficiently, and eventually, causing your vehicle to break down.
Does insurance cover DEF in fuel tank?
Unfortunately, your car insurance may not cover losses due to misfuelling. Most insurance companies do not include coverage for this type of engine damage or the costs of draining your fuel tank due to a mistake. However, it might be included if you have a high-coverage policy or mechanical breakdown insurance.
Can you add DEF at any time?
No matter what type of diesel engine you have under your hood, DEF should be added as soon as possible after the low fluid indicator light appears on your dashboard. Adding DEF to your vehicle is a simple process that requires finding the DEF tank and using a funnel to assist in filling it.
DEF is urea or otherwise known as aqueous ammonia. Windshield washer fluid that contains ammonia will do in a pinch. It contains less AA than needed but will get you to a town where you can get DEF.
What happens when you delete DEF?
DEF Delete
The DEF (diesel engine fluid) system operates similarly to the DPF, removing soot from your engine and storing it in a canister within your exhaust system. Just like the DPF, the system will clear out excess soot by going into a regen cycle and using your vehicle’s fuel to burn off and blow out the soot.
What happens when run out of DEF fluid?
Will DEF ruin a gas engine?
Typically, if DEF is introduced to the fuel tank, the truck will run poorly or even fail to start. Repairs to the fuel system can be costly. Components that have been contaminated with DEF will show crystallization after drying for a few hours as seen in Photo 1.