6.7 Cummins High Pressure Fuel Pump Replacement

The 6.7 Cummins high pressure fuel pump replacement procedure is fairly straightforward and can be performed by most do-it-yourself mechanics with the right tools. The first step is to locate and remove the six bolts which hold the fuel filter housing in place. Next, disconnect any electrical connectors that are attached to the pump and lift it out of its mounting bracket.

Then you will need to disconnect any hoses or lines from both ends of the pump before completely removing it from its mountings. Once removed, install a new OE quality high pressure fuel pump back into position, making sure all connections are secure before tightening bolts down firmly. Finally, ensure that all electrical connections have been properly reconnected before refilling tank with diesel fuel and beginning engine start up process.

If you’re looking to replace the high pressure fuel pump on your 6.7 Cummins diesel engine, you’ll want to make sure that you get the right part for your vehicle. While it’s possible to perform a DIY installation, it’s best left to a professional mechanic who has experience with this type of work. Depending on the make and model of your truck, replacing the pump may require special tools and specialized knowledge in order for it to be done correctly.

Be sure that you purchase an OEM-quality replacement part from a trusted supplier so that your engine is running at peak performance levels once again.

Cummins 6.7 High Pressure Fuel Pump Replacement | Y78 Recall

What are the Symptoms of a High Pressure Fuel Pump Failure on a 6.7 Cummins?

A high pressure fuel pump failure on a 6.7 Cummins is a serious issue and can cause severe damage to your engine if not addressed promptly. Common symptoms of this type of failure include poor performance, reduced power output, increased exhaust smoke, hard starting or no start condition, decreased fuel economy, surging idle or stalling and/or an illuminated check engine light. Other notable signs are excessive noise from the injection system including grinding or rattling noises coming from the injectors themselves as well as the high-pressure fuel pump inside the VP44 Injection Pump which is located in front of the engine block near the passenger side valve cover.

If you experience any of these issues it is important to have them diagnosed by a qualified technician immediately before further damage occurs.

What is Ram Replacing the Cp4 With?

RAM, or Random Access Memory, is replacing the CP4 processor with a new generation of computer processors. This newer type of memory is faster than the previous versions and allows your machine to perform more complex tasks more quickly. RAM can also store much more data than the older CP4 processor and has become an essential component of modern computing.

The combination of increased speed and capacity makes RAM an attractive option when upgrading your system or building a powerful gaming rig. In addition to improved performance, RAM also uses less energy which means it won’t drain as much power from your device as its predecessor did. With this technology becoming increasingly popular in both home computers and professional-grade machines, it’s no wonder that many people are switching over to using RAM instead of their old CP4 processor for their computing needs!

What is the Recall on Ram Cummins High Pressure Fuel Pump?

Ram Cummins high pressure fuel pump is a reliable, efficient and cost-effective solution for powering heavy duty vehicles. It provides consistent performance in all kinds of conditions, regardless of engine load or terrain. The recall on this product is very low; due to its durability and reliability, the company has rarely encountered any problems with it since its release.

Ram Cummins has stood behind their product by offering a three year warranty against manufacturer defects, as well as 24/7 customer service should you have any troubleshooting needs or questions about installation or operation of your high pressure fuel pump. You can also take advantage of the extended warranty option if desired, which will cover up to five years’ worth of potential repairs and replacements. In addition to these features, Ram Cummins ensures that each unit is tested throughout production in order to guarantee optimal quality control before leaving the factory floor.

What Happens When High Pressure Fuel Pump Fails?

When a high pressure fuel pump fails, it can have serious implications for the health of your vehicle’s engine. The fuel pump is responsible for providing pressurized fuel to the injectors, which feed the engine with the necessary air-fuel mixture. Without proper pressure from the pump, this balance is thrown off and often leads to poor performance or worse.

Depending on how long and how severely your high pressure fuel pump has failed, you may experience several different symptoms such as misfires, lack of power upon acceleration, rough idle or stalling when coming to a stop. In some cases you may even see black smoke coming out of your tailpipe caused by an overly rich mixture in combination with improper combustion due to low compression within cylinders. If left unchecked these issues can cause further damage that becomes more expensive over time so it’s important to investigate any signs that could indicate a failing high pressure fuel pump as soon as possible.

6.7 Cummins High Pressure Fuel Pump Replacement

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6.7 Cummins Injection Pump Location

The 6.7 Cummins injection pump is located on the driver side of the engine, just above the starter motor. It is responsible for delivering fuel to all cylinders in a precise and timely manner, making sure that each cylinder receives enough fuel so as not to cause any imbalances or misfires while driving. The 6.7 Cummins injection pump should be checked regularly to make sure it remains in good working condition, allowing your vehicle to run smoothly and efficiently with minimal emissions.

5.9 Cummins High Pressure Fuel Pump Replacement

Replacing the high pressure fuel pump on a 5.9 Cummins engine is no small task, but with the right tools and knowledge it can be done without too much trouble. It’s important to note that this job requires specialized tools and should only be attempted by someone with experience in diesel engines. Additionally, you’ll need to make sure your replacement pump is compatible with your specific engine model.

With these considerations taken care of, replacing a 5.9 Cummins high pressure fuel pump can be an easy process and will help ensure optimal performance from your engine for years to come!

6.7 Cummins Injection Pump Timing

The 6.7 Cummins injection pump timing is an important part of ensuring that your engine runs correctly and efficiently. It ensures that fuel is delivered at the right time to ensure optimal combustion. The timing should be adjusted in accordance with the manufacturer’s recommendations, as it can have a significant impact on performance, emissions, and fuel economy.

In addition to regular maintenance, having the proper times set will help keep your engine running smoothly for years to come.


In conclusion, replacing a 6.7 Cummins High Pressure Fuel Pump is a job that requires some mechanical skill and experience. However, with the correct tools, materials, and instructions from an experienced professional or DIY manual, you can successfully replace your high pressure fuel pump in no time at all! The entire process should take anywhere from 2-4 hours depending on how familiar you are with the task.

Remember to always be safe when working on vehicles and never attempt to do something if you’re not confident about it!


  • Zayn

    John Zayn Smith is a renowned truck enthusiast, automotive industry expert, and author. Beginning his career as a mechanic, Zayn's curiosity led him to explore all facets of the trucking world, sharing his insights through in-depth articles on TruckGuider.com. His knowledge spans truck mechanics, trends, and aftermarket modifications, making him a trusted resource for both professionals and hobbyists. Outside writing and mechanics, Zayn enjoys off-roading, truck shows, and family time. Follow his work for the latest in truck-related news and tips.

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