On average, expect to pay between $200 and $340 total for a fuel rail pressure sensor replacement. Remove and replace Duramax fuel rail pressure sensor without removing EGR cooler and heat shields. Fits 2017 – 2020 L5P 6. High reliability of pressure sensing proved in gasoline and diesel direct injection systems. There may even be instances where problems with a fuel rail pressure sensor leads to an engine simply cutting out during normal operation. Fitment: Replaces: Write the First Review!
The Fuel Pressure Regulator is the device that controls the fuel pressure delivered to the injector rails to provide fuel delivery rates. If a mechanic is out of the question, then installing a quality lift pump would be my first recommendation. Sells an inexpensive rebuild kit complete with filter and instructions to repair this important water separator screws into the bottom of the filter itself and must be replaced if cracked or damaged. Screw in the mounting hardware finger tight. Low rail pressure may or may not cause an MIL (check engine light). Removing and replacing the Duramax fuel rail pressure sensor switch on 2006 - 2010 LBZ & LMM diesel engines is difficult using standard wrenches and sockets. Step 2: Install a nine volt battery saver into your cigarette lighter. These Bosch 0928400535 fuel pressure regulator is designed to maintain proper fuel pressure on your fuel-injected engine for optimum engine performance and fuel economy.
Step 7: Clean the fuel rail with a lint free cloth. 00 without installation. When you step on the gas pedal and the vehicle does not accelerate like it's supposed to, then you could have a bad fuel pressure sensor. A fuel rail pressure sensor (commonly known as a fuel pressure sensor) is used in many diesel and some gasoline engines. See Also: 3 Symptoms of a Faulty Fuel Sending Unit. The engine control unit is not able to transmit the signal properly to the fuel system because it gets inaccurate information from the sensor.
Pensacola Websites by CleverOgre. So what happens when the fuel rail pressure sensor goes bad and how will you know? As the fuel pressure decreases, there is an electrical signal sent to the fuel pump to demand more fuel pressure. 6L L5P Duramax Diesels. Step 1: Reconnect the ground cable back onto the battery's negative post.
Sells the shim kit, including the proper parts needed to bring the spring pressure back to acceptable level to stop leaking relief valves. As the sensor detects this information, the data gets transmitted to the engine control unit. This original equipment fuel pressure sensor has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors. If any fuel is leaking past the fprv, then the internal spring will need to be shimmed. LML Replacement Fuel Rail Pressure Sensor. NO VIDEOS AVAILABLE. Step 3: Turn the ignition key on. Generally, parts which alter or modify the original design or performance of a motor vehicle pollution control device or system are NOT LEGAL FOR SALE OR USE IN CALIFORNIA or other states with similar regulations. This light activates whenever the engine control unit detects an issue within the vehicle that affects the engine in some way. Either your engine control unit will send too much fuel or not enough fuel through the fuel rail and into the combustion chamber.
9L Cummins regulator can resolve your problem. When in doubt, change the filter! The Fuel Pressure Regulator - FPR is an electronically controlled solenoid valve. A faulty fuel pressure regulator causes these symptoms. The fuel rail pressure sensor operates by reading the internal pressure of the rail itself, and this is how it is able to sense the precise amount of fuel still present inside of the fuel rail.
See Also: How to Fix a Malfunctioning Gas Gauge. 6L Duramax with this replacement sensor from BOSCH. If more fuel than necessary is injected into the combustion chamber, your fuel economy worsens. When doing so, you will need a drip pan under the fuel rail supply hose and a fuel hose quick disconnect tool kit. When a fuel rail pressure sensor begins to malfunction, there are some primary symptoms which alert you that there is something wrong. Tighten up the mounting hardware to 12 inch pounds then a 1/8 turn. Disclaimer: We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. If not cracked, the problem is usually fixed by replacing the filter. Schley's specially designed wrench allows access without removing the EGR cooler and heat shields. Top 5 Symptoms of a Bad Fuel Pressure Sensor. If there is a problem with the fuel rail pressure sensor, the engine control unit won't be able to do its job properly. Using conventional wrenches and sockets, a tech needs to remove the EGR cooler and heat shield(s) to gain access to the sensor. Collapsing or cracked fuel line between the filter head and the high pressure fuel injection pump (c p3).
Restores fuel efficiency. Install any brackets that you had to remove to get the old sensor off. Presuming the truck starts, immediately turn it off as you will have full pressure running to the fuel rail, but at least you have reasonably high certainty that the FCA was causing the issue. Check all of the connections for any leaks and sniff the air for any fuel odors. Home - Return to Previous Page. Inch pound torque wrench.
I recommend having a qualified mechanic diagnosis this pump if the above repairs have not fixed the low rail pressure problem. Normal maintenance goes a long way in helping your truck survive in high demand situations. Hopefully this will help point you in the right direction when diagnosing your truck's fuel rail pressure issues. Step 1: Park your vehicle on a flat, hard surface. The engine control unit will specify the correct amount of fuel that the engine needs. Causes and repairs: - Dirty fuel filter is the most common issue we see when fuel rail pressure is low. Built-in circuit protection to ensure your electronics and computer systems stay unharmed. Part 2 of 4: Replacing the fuel rail sensor. There will be difficulty starting up, making the starter engaged for a longer time than normal. You probably won't know it is the fuel rail pressure sensor at first but using a diagnostic scan tool can often confirm the issue. The Durand Fuel Control Actuator determines the rate of fuel pressure provided by the fuel injection pump for proper engine operation. The Fuel Control Actuator is a one-inch silver cylinder located on the backside of your CP3 fuel injection pump block. Write the First Review! No Hassle Returns Easy returns or refunds.
This is also an expensive, time consuming job so I recommend having a qualified mechanic diagnosis the problem if you are at this for parts and labor will vary depending on model and year. Run the fuel level down as much as possible, then the tank will have to be dropped. © 2022 Pensacola Diesel. You may contact us with any questions regarding CARB or to verify whether or not a part has a CARB EO number. Step 2: Tighten the battery clamp up tight. From there, the computer will analyze the data and make the necessary changes to the timing of the fuel injections and the quantity of the fuel being injected.
Fast and Free Shipping On Orders Over $100. Using a small flat screwdriver, open the valve by pushing on the schrader valve. We have seen this many times. Backed by Bosch Limited Lifetime Warranty. Those will larger vehicles will usually notice a reduction in fuel economy the most. The cost for parts alone will be $800. Step 4: Remove the engine cover it there is on on top of the engine. The ECM controls the amount of fuel that enters the high-pressure pumping chambers by opening and closing the Fuel Pressure Regulator based on demand. WARNING: Cancer and Reproductive Harm.
Blocked or broken fuel tank pickup. This sensor is a direct replacement and is designed to meet or exceed factory specifications. The common cause is a foreign object gets down the filler neck of the fuel tank. The fuel sending/pickup unit will then need to be pulled out. Sturdy design, vibration resistant and thermal stability.
Same Day Shipping We know you can't wait, we ship the same day! Such aftermarket parts are subject to governmental emissions standards regulated by the California Air Resources Board (CARB). 2011 - 2016 2500/3500 HD Sierra/Silverado. Parts alone will set you back about $60 to $100 and the labor cost to replace the sensor will cost between $140 and $240. Item Requires Shipping. This is a very common problem that we hear about from our Duramax customers. Step 2: Monitor the dash for the fuel level and for any engine light to appear.
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