What does the owners manual say about exhaust fluid?

Service exhaust fluid system see… Service exhaust fluid system see owners manual now warning on 2011 duramax, owners manual says nothing about servicing it, what gives? Hello. My name is ***** ***** I’m here to assist you.

Where to find service exhaust fluid system bulletin?

If you see the “Service Exhaust Fluid System” and a “See Owner’s Manual Now” message displayed on the instrument cluster and scan the vehicle and find trouble codes P203D, P21AB, and P21B0, this bulletin may apply to you.

Why does my exhaust fluid keep resetting itself?

Once it got to about 75 miles it reset itself (may have been from starting it multiple times) and hasnt been back since. Service dept said its most likely from the temperature since it was about 108 that day, but they “werent sure without rooting around in the system”.

What’s the warning light on the exhaust system?

There will also be a warning light and chime. The vehicle will be speed limited to 89 km/h (55 mph) at the next restart.If the problem is not resolved after 805 km (500 miles) of operation, speed will be limited to 7 km/h (4 mph) after the next fuel fill.Is this the first message about DEF you’ve seen displayed? Have you added DEF recently?

What does service exhaust fluid system see owners manual now?

Just a moment as I pull up the info.Service Exhaust Fluid SystemIf a problem occurs with the DEF system, the DIC will display SERVICE EXHAUST FLUID SYSTEM SEE OWNERS MANUAL NOW. In some cases this message will clear itself, indicating that the DEF system was able to correct the condition.

What to do if your exhaust fluid tank is leaking?

If the tank heater resistance is off, replace the heater. After replacing the heater, use a scan tool to perform a reductant fluid tank level reset. Then perform a reductant system leak test. The system must hold 61-83-psi. Finally, use a scan tool to command each of the heaters on, one at a time for at least 10-seconds each.

What does service exhaust fluid system now mean?

So, yesterday, out of the blue, i go to start the truck up to check for any leaks on my airbag install, when i get the dreaded Service Exhaust Fluid System- See owners manual NOW message. Naturally none of the dealers in the area can look at it until next week.

What do you need to know about diesel exhaust fluid?

Chemically, DEF is firstly comprised of (NH2)2CO; and when injected into the hot exhaust gas the water evaporates leaving ammonia and isocyanic acid. 2. How Often Do You Need To Fill Up the DEF Tank? That question specifically depends on miles per gallon and usage of the diesel truck in question.

When does Def combine with NOx exhaust fluid?

The answer is yes and no. The temperature at which DEF combines with NOx exhaust right out of the cylinder head with the valves wide open is between 1400-1600 F. The chemical reaction takes place at much hotter temperatures than on a hot sunny day.

What should we do if we get Def in our fuel system?

WHAT SHOULD WE DO IF WE GET DEF IN OUR FUEL? If you suspect you have DEF in your diesel’s fuel system, do not drive the vehicle and do not attempt to start the engine. Don’t even turn the key on, as this will energize the fuel system and could pump DEF-contaminated fuel into the rest of the fuel system.

How does the def quality warning system work?

“To meet federal and state requirements, the electronic onboard warning system is designed to automatically monitor DEF quality. If poor-quality fluid is detected, the system will alert the driver. If poor-quality fluid is not replaced within 200 miles, the vehicle speed will be limited to 55 mph at the next vehicle start.

Is the DEF tank on my GMC Truck OK?

The local Chevy dealer then borrowed a DEF testing device from another local dealer to confirm that the DEF was actually OK. Then they replaced the DEF tank, tank sensors, NOX sensors, and forced the truck to go into regeneration mode to burn the soot out of the exhaust filter.

What is the shelf life of Def fluid?

If the maximum temperature does not exceed approximately 75 deg F for an extended period of time, the shelf life will be two years. I have run the DEF down to where the needle is on the red mark and after I pour in a 2.5 gal jug the gauge shows 3/4 full.

Where can I get Def fluid for my Dodge Ram?

Go to Walmart, one on the interstate. They will have a giant pallet in the automotive section with stacks of DEF jugs for $8. Dump it in when the level is below half. Q.

How much does service exhaust fluid system cost?

Service department runs test and installs a Reservoir Kit ($212.65) in the def tank and tests and clears all codes. Part&Labor= $451.36. Im happy, I pay and Im on my way thinking simple fix, not 10 miles down the road the Service Exhaust fluid system messages is back on.

When does service exhaust fluid system ( tamper ) set?

• 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.

Can a service exhaust system go into limp mode?

Yes, but limp mode is 4mph and it seems to be related to key cycles. I not condoning it, but a lot of guys eliminate this DEF system with aftermarket exhausts and programmers. It shouldn’t go into limp mode.

What happens if your exhaust fluid is not replaced?

If poor-quality fluid is not replaced within 200 miles, the vehicle speed will be limited to 55 mph at the next vehicle start. If the system’s warnings continue to be ignored, vehicle speed will ultimately be limited to 4 mph in accordance with federal and state requirements.”

What’s the service EFs message on my Duramax?

Cleared the code and drove with just the Service EFS message on with hope it might just clear itself. Scheduled an appointment after a few days of driving and on the way to the dealership the message came up stating upon next restart limited to 55mph.

How much does a Duramax service fluid system cost?

I custom ordered a $64,000 2011 Chevy 3500 HD crew cab LTZ loaded with a Duramax. When I ordered it in December of 2010 there was no mention of a DEF system-none at all. Had I been informed of the DEF being included, I would have gone to another brand.

Is the Chevy Duramax DEF system mandated by the EPA?

I understand DEF is a EPA mandated system, but that does not let Chevy engineers of the hook for making a DEF system that has made the Duramax totally UNRELIABLE! The DEF system has ruined several family vacations and made my Duramax truck UNRELIABLE for any trip longer than 100 miles from home. Why 100 miles you ask?