Rajan Wilcox
RAM 1500 Diesel owners have been discussing the use of one versus two fuel filters on their vehicles. Some have expressed a preference for two fuel filters, citing the potential for improved fuel filtration and reduced risk of fuel system failures. However, others have noted that even with two fuel filters, water and DEF contamination can still occur. While some owners have successfully installed secondary fuel filters, others have raised concerns about warranty repercussions and potential fuel flow reduction. The EcoDiesel model has been specifically mentioned in these discussions, with some owners wishing for dual fuel filters as a standard feature.
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What You'll Learn
The 2019+ RAM EcoDiesel models use a single filter
RAM 1500 is a heavy-duty diesel pickup truck that has been using a primary and secondary fuel filter. However, the 2019+ RAM EcoDiesel models use a single filter. This is a change from previous generations of EcoDiesel engines, which used two fuel filters. The single filter on the 2019+ EcoDiesel models is located under the bed by the rear axle, and it is the same filter used on the Cummins models.
The reason for the change to a single filter is not clear, but some users have speculated that it is due to the high quality of the filter and housing, which filters to a very low micron rating. The single filter is also easier to maintain and less expensive to replace than two filters. Some users have also noted that they have not experienced any issues with fuel contamination or system failures when using a single filter.
Some owners of the 2019+ RAM EcoDiesel models have considered adding a secondary fuel filter, but there does not appear to be a straightforward method for doing so. One owner posted about installing a secondary filter on YouTube, but it is unclear how effective this modification is.
It is worth noting that the 2019+ RAM EcoDiesel models have made other changes to the fuel filter housing and location, improving maintenance. For example, they have added a drain port and drain valve for pre-filter change-out draining of the housing, making it easier to access and change the filter.
Overall, while the 2019+ RAM EcoDiesel models use a single fuel filter, this does not appear to have caused any significant issues for owners. The high quality of the filter and the ease of maintenance seem to be positive aspects of this design choice.
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The 2018 RAM 3500 used a metal canister with a WIF sensor
The RAM 1500 Diesel forum contains discussions on the 2014+ Ram EcoDiesel trucks, including performance mods, towing capacity, wheels, tires, lift kits, and fuel filters. Some users have expressed their preference for installing a secondary fuel filter on the EcoDiesel, while others have questioned the need for two fuel filters.
One user with a 2018 RAM 3500 mentions that their vehicle used a metal canister with a WIF (Water in Fuel) sensor. The WIF sensor had to be unthreaded from the old filter and installed into the new filter. This user also mentions that their dad's 2018 RAM 3500 has a different filter from their EcoDiesel.
The RAM 1500 Diesel forum includes a range of discussions and experiences related to fuel filters. Some users have shared their experiences with using a single fuel filter, while others have installed secondary fuel filters or used trucks with two fuel filters. There are also mentions of specific models, such as the 2004 and 2005 Duramax, 2010 Cummins, and 2003 Cummins, which only had one fuel filter.
The EcoDiesel's single filter has been a topic of discussion, with some users questioning why it only has one filter, especially given its use of the Bosch CP4.2 pump. However, others have pointed out that the CP4.2 pump on the Cummins also only needs one filter, and that pump output pressure is similar in both cases. Some users have considered adding a secondary filter but are concerned about warranty repercussions.
Overall, the RAM 1500 Diesel forum provides a platform for users to share their experiences, preferences, and insights related to fuel filters, including the use of a metal canister with a WIF sensor in the 2018 RAM 3500.
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The 2006 Cummins used three fuel filters
According to a user on the RAM 1500 Diesel Forum, their 2006 Cummins truck had three fuel filters. They bought an aftermarket billet head that could accommodate two filters. They used a Donaldson P551313 (2-micron absolute) fuel filter and a Baldwin BF1212 fuel/water separator (20-micron absolute and 95% emulsified water removal). In the stock location, they used a Baldwin PF7977 fuel/water separator (5-micron).
The user also mentions that they change their fuel filters every 30,000 miles per the original warranty on their 2014 model. They further explain that the filters filter smaller contaminants the longer they are used, and the worst a filter performs is when it is new.
While this user's 2006 Cummins truck had three fuel filters, it is unclear if this was a standard feature for all 2006 Cummins trucks or a modification made by the owner. It is worth noting that some other Cummins truck owners have mentioned having two fuel filters, while others have mentioned having only one fuel filter.
Some Cummins truck owners have expressed a desire for a secondary fuel filter, especially to help with water separation. However, others have pointed out that adding another filter will reduce fuel flow to the engine, and there is no significant evidence that the factory single filter is inadequate.
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The 2014 RAM EcoDiesel requires a fuel filter change every 30k miles
The 2014 RAM 1500 EcoDiesel has a single fuel filter. This is in contrast to other heavy-duty diesel pickups, which typically use both primary and secondary fuel filters.
Some RAM owners have expressed a desire for a secondary filter, but others have noted that the factory filter is adequate and that adding another filter could reduce fuel flow to the engine.
According to one forum user, the fuel filter on their 2014 RAM EcoDiesel should be changed every 30,000 miles. However, this may depend on various factors, such as the quality of diesel used and the age of the vehicle. For example, one user reported changing their 2015 EcoDiesel's fuel filter twice in one year due to issues with the drain valve.
To improve the fuel system and make maintenance easier, some owners have installed a Dirty Diesel cat fuel adapter kit, which utilizes the Cat 1R-0750 filter as an add-on to the OEM filter system. This allows for increased filtration without the need to modify the OEM fuel heater and water in-filter sensor.
It is important to note that any modifications to the fuel system may void the warranty, so it is recommended to consult with a qualified technician or the manufacturer before making any changes.
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The 2022 RAM 4500 has had fuel-related issues
The 2022 RAM 4500 has been reported to have fuel-related issues. In a forum, a user stated that their service truck, a 2022 RAM 4500, had "done a derate thing twice, both times [being] fuel-related". However, there is a lack of specific details regarding the nature of these fuel-related issues beyond this statement.
RAM trucks have had a history of fuel-related problems, with some users reporting issues with their fuel sensors. Owners of the RAM 1500, particularly the 2014 and 2016 models, have experienced issues with the fuel sensor failing, resulting in warning lights and check engine alerts. This problem has been described as common among the 1500 series vehicles, and some have suggested that it warrants a recall. Repairs for this issue can be costly, with one user reporting a charge of $745 for replacement.
In addition to fuel sensor issues, some RAM truck owners have expressed concerns about the single fuel filter design on certain models, such as the EcoDiesel. While some users have successfully installed secondary fuel filters, others worry about potential warranty repercussions. There is also a debate over the effectiveness of dual fuel filters, with some arguing that they provide additional protection, while others believe the factory filter is adequate.
It is worth noting that RAM trucks have been subject to recalls in the past. In one instance, over 19,000 2021 RAM trucks were recalled due to issues with the relay, which resulted in at least eight fires. While the specific model numbers for the recalled trucks are not mentioned, this highlights the potential for serious safety concerns.
Regarding the use of two fuel filters, it appears that RAM trucks have utilized different fuel filter configurations over the years. Some users have mentioned having two fuel filters in their RAM trucks, while others have discussed the process of installing secondary fuel filters. However, there is a lack of specific information regarding when RAM started using two fuel filters as standard in their diesel models.
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