Part 2 of 4: Replacing the fuel rail sensor. This can be tested by doing the "bottle test" This is an easy, cheap way to see if the fprv is leaking. Normal maintenance goes a long way in helping your truck survive in high demand situations. This is about a 30 minute job that can be done without any special tools. How to test if your Duramax Fuel Pressure Regulator - MPROP is working: If you're experiencing hard start or no start issues, one easy way to confirm whether or not the FCA is causing the problem is to unplug it, thus eliminating any metering simply. Make sure that the transmission is in park (for automatics) or in 1st gear (for manuals). Fast and Free Shipping On Orders Over $100. 6L Duramax Duramax Fuel Pressure Regulator - MPROP? Step 4: Use a combustible gas detector. However, by the time this symptom occurs, the truck has probably been delivering less than the genuinely desired amount of fueling for a while already as the FPR is a simple spring design that many times takes a rather slow death and is not an immediate failure. Fuel Injection Fuel Rail Pressure Sensor. 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. Also, install the intake if you had to remove it.
You will be driving and then suddenly, your engine will stall. Fitment: Replaces: Write the First Review! © 2022 Pensacola Diesel. During the test, listen for any engine cylinders not firing correctly and feel for any vibrations. Fuel hose quick disconnect kit. Here the 5 most common signs of a bad fuel pressure sensor. Duramax fuel pressure sensor replacement 2011 f 250 diesel. 6L L5P Duramax Diesels. Engine stalling might occur as the fuel rail pressure sensor goes from bad to worse. The CP3 doesn't need to be timed to the cam. 00 unless the pickup/sending unit is damaged.
Backed by Bosch Limited Lifetime Warranty. CARB approved parts will include a sticker containing the CARB EO number. Remove the mounting hardware from the fuel rail sensor. 1 – Check Engine Light. Fits: 2001-2004 GM/Duramax. Step 2: Tighten the battery clamp up tight.
Please make sure you have ordered the correct part for your Duramax diesel engine! Replace your faulty rail pressure sensor with the OE Bosch replacement. The Engine Control Module / ECM uses the fuel control actuator to control the fuel pressure in the LB7 Duramax diesel. Inch pound torque wrench. We're Diesel CrazyWe are passionate about diesel performance! The engine control unit will specify the correct amount of fuel that the engine needs. Do not attempt to crank the starter more than five times or the battery will lower in performance. Engine operation is rough. This holds true for stock or modified trucks. A quality lift pump from will allow the engine to handle higher fuel demands and offer the benefit of cleaner fuel being supplied to the expensive fuel system. Duramax fuel pressure sensor replacement. Listen to the engine operation for any cylinders not firing correctly and feel for any vibrations during engine operation. Causes and repairs: - Dirty fuel filter is the most common issue we see when fuel rail pressure is low. The Duramax diesel engines incorporate a metering device that determines the flow of fuel to the CP3 fuel injection pump. Install any brackets that you had to remove to get the old sensor off.
Shipping Information. This will keep your computer live and keep your settings currently in the vehicle. Duramax fuel pressure sensor replacement therapy. 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. WARNING: Cancer and Reproductive Harm. Put on safety glasses and protective clothing. If a mechanic is out of the question, then installing a quality lift pump would be my first recommendation. High injector return rates.
Step 3: Turn the ignition key on. Last Updated on February 22, 2023. Manufacturer Direct. You will quickly notice more trips to the gas station and more money out of your pocket.
The Fuel Pressure Regulator is the device that controls the fuel pressure delivered to the injector rails to provide fuel delivery rates. Listen for the fuel pump to activate and turn off the ignition after the fuel pump stops making noise. If the Bosch 0928400535 Fuel Pressure Regulator, MPROP, FCA, Fuel Control Actuator is not correctly functioning; this results in the Engine Control Module / ECM cannot determine the fuel flow rate supplied to the CP3 Fuel injection Pump. Reduce remove/replace times by up to 1 hour. California Residents: Prop 65 Warning. Stops and prevents rough idling. Step 3: Open the vehicle's hood to disconnect your battery. ACDelco GM Original Equipment Fuel Pressure Sensor monitors the fuel pressure in your vehicles fuel system, and is a GM-recommended replacement for your vehicles original component. Duramax Fuel Pressure Regulator Valve Replacement Guide by Diesel Bombers. Replace your failed fuel rail pressure sensor in your 2011-2016 GM 6. Social Media Managers. This is usually caused from a plugged fuel filter causing a major vacuum between the filter head and the cp3. See Also: 3 Symptoms of a Faulty Fuel Sending Unit.
This doesn't always mean the engine itself is bad, but rather something else in the vehicle which is not allowing it to do its job properly. How to Replace a Fuel Rail Sensor | YourMechanic Advice. R&R service times can be reduced by up to 1 hour using this wrench. This will make driving extremely difficult (and dangerous) and it should motivate you to do something about it. Note: If you had to remove the pressure fuel line to the fuel rail, be sure to connect the hose back onto the fuel rail.