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L6-6.7L Turbo Diesel

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Question
I have 137,000 miles just bought truck warning light came on PDF 100 blocked what do I do
The diesel particulate filter (DPF) is used to trap particulate matter and keep it from being released into the atmosphere. Every so often, the DPF must go through a regeneration process in which the particulate matter is burned. Pressure sensors...
Question
Brake lights on constantly
It sounds like you have a short in your brake light circuit. Since you have replaced the brake switch yourself, I would recommend searching around in that general area for any damaged wiring that may exist near the switch. Wires...
Question
My 2012 ram 2500 started over heating just had my water pump replaced around a month ago. I think it's my thermostat. How can I tell?
Hi there. First check the cooling system and see if the coolant is low. Top off all fluids that are low that could cause the engine to overheat. To check to see if the thermostat is working, feel the upper...
Question
white smoke when cold
When the vehicle is first started your exhaust pipes are cold and if outside temperature is cold the exhaust pipes are even colder. Now you start the engine and the hot exhaust hits the cold pipes causing a large amount...
Question
What would cause a loud bang and hard shift into and out of gear in rear end area of Dodge 3500 auto trans.
Hi There, This is usually a case of a bad U-joint that has excess play in it. As the transfer of torque moves from the transmission through the drive line to the rear end, this puts a tremendous amount of...
Question
I'm getting a Service engine soon.
Hello, thank you for writing in. These diagnostic issues happen all of the time! Unfortunately there is very little we can do about it. Unless the vehicle is giving any other symptoms to work with, the only information we have...
Question
Truck shuts off randomly or won't start.
Hi there. What you are describing above is likely an issue with the ignition system. The biggest issue would be trying to determine which one (or multiple components) are causing your truck to shut off randomly. It is very likely...
Question
How reliable is the diesel fuel pumps on the 2016/2017 Ram 2500 Trucks? What is the life expect of the diesel fuel pump for the Ra
Hi there. The last time I noticed problems with Dodge Ram diesel pickup diesel fuel pumps was about 5 years ago. The issue was actually related to the wiring of the fuel pump as opposed to the pump itself. Although...
Question
My husband is in the mountains hauling a 40 ft gooseneck with 16 thou Pds. His truck was blowing white smoke, overheating and then
If the fluid leak is coolant, it is possible to fix some cooling system issues "out there on the road", particularly if it were a hose. However, if the "smoke" in the exhaust was actually vaporized coolant that leaked into...
Question
Is there a difference between passenger side and driver side hub (front) on 12 2500?
Front driver and passenger side wheel hub bearing assemblies on your vehicle are identical. If you desire replacement, you can get a written, itemized quote, and schedule the repair to suit your needs, by simply visiting YourMechanic’s wheel hub bearing...
Question
Squealing noise from front end during low speed turns.
Hi there. The noise you're hearing is metal-to-metal contact. Due to this fact, the best guess would be the wheel bearings starting to fail. When the bearings begin to wear out, the first symptom is commonly noise like you've described....
Question
Service Problem. Today I brought in my 2015 Dodge Ram Diesel. (For Recall work) T25/NHTSA 17V-30
Hi Steven. It's very difficult to prove when electrical glitches occur or who should be "on the hook" for repair or diagnostic checks. The best advice I can offer is for you to speak with the service manager of the...
Question
transmission overtemp
Hi there. If you are going to have the transmission flushed and filters changed, I would recommend having them also check the transmission cooler to see if there is some failure there. Usually when you have this type of transmission...
Question
Oil pressure gage at zero. No leaks and has plenty of oil. No abnormal noise and temps normal. No low pressure warning light.
The oil pressure gauge will usually drop when a few things could be happening. Either the motor is in fact low on oil, the oil pump could be failing or the oil pressure sending unit is not working properly and...
Question
2008 Dodge 3500 6.7L diesel- replaced water pump and radiator hose but now losing water and overheating with no obvious leaks.
If you are still overheating and loosing coolant with no external leaks found when pressure tested then the most likely cause is a leaking head gasket or cracked head for when it was overheated before.
Question
Accidentally touched the two battery terminal cables together.
Thirty years ago, you could have done that and gotten away with it. with a 2012 truck, there is likely some damage. The multiple computer systems on your truck are very sensitive to voltage surges like the one you just...
Question
Cummins exhaust brake staying on
Check the DPF filter and see if it's plugged up. A plugged DPF filter will cause the engine exhaust brake to stay on, and the engine light will come on if the filter fully plugged up. If you need further...
Question
Looking for location of multi axis acceleration module for a 2017 dodge ram 3500
Also known as a dynamics sensor - this is located on the floor panel transmission tunnel under the center floor console (or if equipped with a bench seat, under the front center seat section) next to the Occupant Restraint Controller....
Question
Engine light is on. Code is for a o2 sensor. Dealer can't find anything wrong. Your thoughts on the matter?
The underlying fault depends on which of over a hundred different oxygen sensor codes has set. Also, it depends on whether you are having trouble with a pre or post catalytic converter oxygen sensor (pre and post have different functions)....
Question
Hi Scott. I have a 2013 Ram 2500 with 70000 miles on it now. I took it to the dealer with 50000k on it with a front pinion seal le
If the seal is repeatedly failing one possibility is the pinion itself has too much play within the assembly. That could be due to a design issue and/or wear in the bushing and/or bearing that supports the pinion shaft. There...

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