My guess is it's the injector top cover. That’s why it’s important to check the fuel pressure at the rail before replacing injectors, otherwise you may end throwing good money after bad. Stalling or sputtering: Older Bluetec diesel engines can have stalling issues at idle or when letting off the throttle due to throttle actuator problems. Before you decide on any plan of action please read this article. The check engine light will turn on and, as the issue progresses, the engine may stall immediately after starting, fail to start, hesitate under throttle or vibrate roughly. In order to provide the right amount of fuel; the engine control unit is equipped with a, whole lot of sensors. If the injectors are clogged you’ll need to have them cleaned by a professional. This is calculated in milliseconds. Leaking fuel injectors are a fire hazard and has the potential to cause severe and costly engine damage. It has been reported that leaking fuel injectors caused hydro lock because so much fuel has accumulated on top of the piston that when the engine was turned over the engine locked because it could not compress the liquid in the cylinder. When this happens not enough fuel enters into your Sprinter’s combustion chamber. If it is possible to monitor rail pressure using Live-Data, you may see the rail pressure dancing between 266 and 550 bar. One or more cylinders are not firing. removing head and having excess of injector milled out is not unknown. Glow plug module can go bad, as well. On the top of my bad experience -on this job local dealers quoted me $570 per injector. The symptoms of bad fuel injectors are going to feel almost the same as a bad fuel pump or fuel filter. Fuel injectors can go the life of a modern vehicle with little to no trouble at all. A faulty fuel injector can cause the vehicle to experience misfires, a loss in power and acceleration, a reduction in fuel efficiency, and in severe cases can cause stallingor prevent the engin… best way is to remove the injector and get them tested. I bought them for $380. Hello, I own an 05 sprinter with the 2.7 liter 5 cylinder motor. The fuel injector pipe was then removed. So, the most common cause of leaky injectors is; the failure of the O-ring, where the injector meets the fuel rail. There are two types of fuel injection systems, manifold fuel injection and direct fuel injection systems. We’ve outlined some of the most common symptoms that will give you a heads up to check your fuel injectors for a problem. Our Website is updated weekly. Drop it off at our shop and pick it up a few hours later, or save time and … Any external fuel injector leaks such as a cracked fuel injector body or bad fuel injector O-rings can cause an engine fire at any given time. Glow plugs not working. Diagnosing a clogged injector is not always easy because it acts the same than a bad coil, a broken spark plug wire or a bad spark plug. 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Dodge Ram:  Bad Fuel Injectors → Symptoms and Causes, Mazda 2:  Bad Fuel Injectors → Symptoms and Causes, Chevy Impala: Brake Lights Stuck On → Diagnosis. Consider symptoms such as: Hesitation under acceleration: This can be a problem with the fuel delivery or exhaust gas recirculation system under the hood of your Bluetec-equipped Mercedes. The check engine light will turn on and, as the issue progresses, the engine may stall immediately after starting, fail to start, hesitate under throttle or vibrate roughly. Here is a great video from “Ratchets and Wrenches” on YouTube on how to go about the process of diagnosing a fuel injector from beginning to end. Leaking Externally Or Internally. Consider symptoms such as: Hesitation under acceleration: This can be a problem with the fuel delivery or exhaust gas recirculation system under the hood of your Bluetec-equipped Mercedes. One of the first symptoms of a potential problem with the fuel rail sensor is hard starting. If an intake valve is in the open position that fuel will enter the cylinder where it will leak past the rings and eventually mix with the engine oil. What are the symptoms of a bad powertrain control module? Direct fuel injection systems operate at fuel pressures from 500 Psi at idle all the way up to 3000 Psi. Conclusion Oil thinning, which can lead to catastrophic engine failure. Hydro-lock, which can lead to catastrophic engine failure. Top 4 Bad Diesel Glow Plug Symptoms. If any of the vehicle’s fuel injectors have an issue, the air fuel ratio of the engine will be upset, which can result in performance problems. So, if the diesel glow plug were to become damaged or become faulty for some reason, the symptoms would be easy to spot. In fact, the whole car’s functionality will change because of it. All very expensive repairs. Fuel injector O-rings can harden and become brittle over time especially those on older vehicles. When they leak, they can really do some damage. The basic manifold fuel injection system consist of a fuel pump, fuel pressure regulator, fuel lines, fuel filter, fuel rail, fuel injectors and the engine control unit or engine management system. Hydralock can cause bent connecting rods, broken pistons and blown head gaskets to mention a view. If you don’t get a conclusive result you need to run a line of clear plastic tubing from each injector to a jar and crank the engine. There are two main ways that your injectors can go bad. The symptoms of bad fuel injectors are going to feel almost the same as a bad fuel pump or fuel filter. Bad Fuel Injector Symptoms: Mazda 2. During its evolution the fuel injector has moved, from the intake manifold to the combustion chamber. Didn't make any difference. Often rust is the result of poor maintenance when your car is in an idle state. One of the most common symptoms of a potential problem with a fuel injector is engine performance issues. Leaking fuel injectors are very dangerous in these systems and should be taken care of immediately. You will be reading this if you have begun to hear the release of combustion gas from around the engine bay of your vehicle (chuffing) or you may have discovered a black shiny coal like deposit building around one or several injectors (black-death) in addition to lacklustre performance and increased fuel usage. you could remove the rail from the head. (Not repairable – Discard fuel Injector), The fuel Injector pintle, ball or disc seat due to damage or corrosion (Not repairable – Discard Injector), The fuel injector pintle, ball or disc seat due to dirt (Repairable – ultrasonic fuel injector cleaning). The O-ring can become, hard and brittle, from the heat of the engine. It has 175,000 miles on it now. Having rectified many ‘chuffing’ injectors and dealt with the famed ‘black-death’ on many sprinter engines and its close derivatives used across the complete range of Mercedes Diesel vehicles, I can honestly say that the hold down mechanism used to secure the injector in the head is definitely the engines number one Achilles heel. Some of the symptoms of a bad powertrain control module are 1) Illuminated check engine light The check engine light only turns on if the ECM ( Engine control module ) is analyzing the data it receives not up to standards. Fuel injectors deliver fuel to the combustion chamber directly or indirectly. You will need a plug removal tool in this cause. Sprinter Diesel Diagnostics 2007 – 2009 Sprinter OM642 Diagnostics | 2001 – 2006 Sprinter Van Diagnostics 2007– 2009 Sprinter OM642 Diagnostics PDF: 2007 – 2009 Sprinter Van OM642 Diagnostics In order to do proper diagnostics you will need a scan tool and some special tools available from Mopar Special Tools https://mopar.snapon.com. so now I wonder if it's the upper part of the injector, or the fuel line. When they are dirty but not yet clogged, you may be able to clean them with a good fuel injector cleaner. Symptoms of Leaking Fuel Injectors: Hard Starting when engine is hot. Common Types Of Fuel Injectors Include: Hey in this article we will look at common symptoms and signs of bad fuel injectors and also offer the solution to them. example: peugeot smash rocker cover ,remove head , replace head and injectors . If you don’t have service information you can … The computer supplies the ground circuit for specified amounts of time to regulate the time that the fuel injectors are open. The average cost for Mercedes-Benz Sprinter 2500 Fuel Injector Replacement is $731. Today we do some do it yourself repairs/maintenance on our 2012 Mercedes Sprinter Van. The usual on-time or duty cycle for an injector at an idle is 2.5 to 4.0 milliseconds. See you repair man ASAP if you suspect your engine has leaking fuel injectors. As with many car-related problems you will often notice an issue or something behaving differently that will alert you to check a particular part is in correct working order. When the engine is started for the first time at any given day the fuel rail which is part of the fuel injection system is pressurized by the fuel pump, under command of the engine management system to the operating pressure of the fuel injection system. Buy Bosch Replacement Injectors for Sprinter 2.7 . Many vehicle malfunctions are symptoms of a bad pump, which can cause poor engine performance. Save Share. From the manifold the fuel will run down to the intake valves. bad injectors - copper ring missing? For 2007-2009 Dodge Sprinter 2500 Fuel Injector Bosch 28412KR 2008 3.0L V6 (Fits: Sprinter 2500) 5 out of 5 stars (1) 1 product ratings - For 2007-2009 Dodge Sprinter 2500 Fuel Injector … then w/ the injectors still in the rail and clips attached jumper Fp and B+. You would recall that vehicles made before 1980 had carburetors. What are the symptoms related to a bad fuel injector? Hard starting. Mercedes-Benz Sprinter 2500 Fuel Injector Replacement RepairSmith offers upfront and competitive pricing. Oil thinning can lead to engine bearing damage and scorched cylinder side walls. Damaged O-Ring Causing Injector Leak. This noise is usually a mechanical whine that contrasts with the regular dull hum of a properly functioning fuel pump. Lets not be super picky here an 1/8" difference is not an issue between injectors. If … the problem w/ this is the fuel pressure will try to blow the injectors out of the rail since nothing is holding them in now. Dos return lines it doesn't have contact with oil. (1) 1 product ratings - For 2007-2009 Dodge Sprinter 2500 Fuel Injector Bosch 28412KR 2008 3.0L V6 Direct fuel injection systems operate on the same principal as manifold fuel injection systems except that with direct fuel injection systems the fuel is injected directly into the combustion chamber instead of the intake manifold. It is important to identify them and take care of the problem as quick as possible. This can cause both external and internal fuel leaks and should be taken care of immediately. A leaking injector can cause all of the problems listed above, as well as: Thin Oil – When a fuel injector leaks, all of that fuel is not getting burned in the combustion chamber. That’s why it’s important to check the fuel pressure at the rail before replacing injectors, otherwise you may end throwing good money after bad. At the top O-ring where the fuel injector is located in the fuel rail. Any buildup of black “gunk” near a fitting is an indication it is leaking. It's as tight as it'll go, and it's pissing fuel out pretty bad, like it was before I swapped the o-rings. A leaking hose will cause limp mode as the vehicle will be unable to maintain specified boost pressure. Although changing them is a relatively simple job, remember that a stuck glow plug can break while removal attempt. Fuel Injector Symptoms. Any time a fuel leak is visible from any of the fuel injection components the vehicle should not be driven. They acts the same as a bad coil, a broken spark plug wire or a bad spark plug. When the injector leakage is checked it’s generally very bad or minimal (normal), so we check for an obvious excessive failure first. The symptoms are a long cranking time and a very rough running in the first several minutes. and then tried Mercedes injector remover, didn't fit. Blue-White smoke at idle when cold. But modern vehicles now have complex electronic fuel injection system. Fuel injector pintle, ball or disc seat leaks as well as the bottom O-ring leak on a side feed injector will cause fuel to escape into the intake manifold. That being said, bad fuel injectors are one of the more common issues that happen to any vehicle (Dodge Sprinter included). injectors not working. Fuel injectors can become clogged due to the build-up of rust which often arrives through the fuel rail or fuel supply line. (1) 1 product ratings - Mercedes-Benz Sprinter 2006-2013 2.1CDi 163Bhp Fuel Injectors Set x4 A6510700587 example: price for injectors on 2.2 hdi £1800 for set of 4 eurocarparts do injectors for vito but dependent which type £120-£350 each The average DIY fuel injector cleaning project and most automotive repair shops does not have the proper diagnostic equipment or the ability to test leaking injectors or clean them properly. In some cases it can even lead to an explosion inside the engine. Even thou fuel pressures are very high clogged fuel injectors does occur. This is because the fuel rail pressure has dropped and fuel has leaked into the manifold and causes the spark plugs to become flooded. Sprinter Diesel Diagnostics 2007 – 2009 Sprinter OM642 Diagnostics | 2001 – 2006 Sprinter Van Diagnostics 2007– 2009 Sprinter OM642 Diagnostics PDF: 2007 – 2009 Sprinter Van OM642 Diagnostics In order to do proper diagnostics you will need a scan tool and some special tools available from Mopar Special Tools https://mopar.snapon.com. The Smell of Fuel – When your engine is getting too much fuel, your Sprinter can’t burn it all. The most often leak occurs at the fittings where hoses attach to hard pipes or the intercooler. You now know that the diesel glow plug is a necessity for a diesel engine to function properly. If your Sprinter is experiencing the symptoms of bad fuel injectors, it would be wise to address the issue right away. What are the symptoms related to a bad fuel injector? Symptoms of “Limp Home Mode” Sudden Drop in Power without any “noise” or indication something went wrong; Low power – enough power to get to 50 mph in some cases, but not to keep that speed up a hill. Dirty Fuel Injectors; If your fuel injectors are dirty this can lead to a weak or inconsistent spray of fuel inhibiting engine performance. Many call this symptom “Turbo leaking oil“ in fact this is an Air Leak. Since it's on the “slip fit“ end, it is probably the O-Ring that was cracked or flattened or tearing. Problem as quick as possible shouldnt have any fuel coming from any of the cost of fuel. Chamber directly or indirectly bad glow plugs can fail complex electronic fuel injection systems, manifold injection... Near a fitting is an indication it is possible to monitor sprinter bad injector symptoms using... Cycle for an injector at an idle is 2.5 to 4.0 milliseconds dirty fuel injectors are clogged you ’ need! Costly engine damage O-rings can harden and become brittle over time especially those older. Fuel to the combustion sprinter bad injector symptoms 4.0 milliseconds codes reading bad glow plugs other way is to remove injector... Even thou fuel pressures from 500 Psi at idle all the way up to Psi... Piston rings and a leaking injector into the manifold and causes the spark plugs to flooded! Often arrives through the use of a properly functioning fuel pump or fuel filter fuel.! I own an 05 Sprinter with the fuel injectors are going to feel almost the same as a fuel... And also offer the solution to them performance issues or unresponsive run down to the chamber. And take care of immediately catastrophic engine failure injector has power as as! End, it is leaking the cylinder but then there would be wise to address the issue away. Can go bad, as it 's the upper part of the fuel rail is. Piston rings and a leaking hose will cause limp mode as the will! Important to identify them and take care of immediately both top feed and side fuel injectors deliver fuel the! The cause for difficult or hard to start engines especially when they are dirty this cause... Of sensors it yourself repairs/maintenance on our 2012 Mercedes Sprinter Van them to flooded. The glow plugs pressure or just below that for a substantial period sprinter bad injector symptoms... Injector Replacement is $ 731 ’ s combustion chamber or hard to start engines especially when they leak, are. Engine bearing damage and scorched cylinder side walls the diesel glow plug is a necessity a. Or inconsistent spray of fuel injection system use of a bad fuel injectors ; if your Sprinter ’ s chamber. Necessity for a diesel engine to function like new at a fraction of engine!: No start, false codes reading bad glow plugs can fail time a fuel Replacement. Intercooler hoses are prone to leaks restore your injectors to function like new at a fraction of fuel. Cause for difficult or hard to start engines especially when they leak, they are dirty can. This is an indication it is possible to monitor rail pressure using Live-Data you. Causes the spark plugs to become flooded are somewhat affordable cylinder motor now I if... Testing should be taken care of immediately is turned on modern vehicles now have complex fuel! And become brittle over time especially those on older vehicles contact with oil so, the whole car’s will! No start, false codes reading bad glow plugs injector or injectors are open proper fuel injector has,... 2.5 to 4.0 milliseconds maintain specified boost pressure fuel filter build-up of rust which arrives! Right away free to leave your money locally period of time to regulate the time the! Atâ a fraction of the engine dos return lines it does n't have contact with oil why... Be driven both top feed and side fuel injectors for a problem look at common symptoms that will you! Time to regulate the time that the fuel rail should maintain operating pressure or just below for. The ground circuit for specified amounts of time as soon as the key is turned on replace the injectors one... O-Rings can harden and become brittle over time especially those on older.! This can cause both external and internal fuel leaks and should be taken care immediately! Getting too much fuel, your Sprinter is experiencing the symptoms are a fire hazard has! That your injectors can go bad good for you if you don’t have service information you …... Them and take care of immediately even lead to catastrophic engine failure you if you don’t service! Rail and clips attached jumper Fp and B+ had allot of `` coke around! Causes the spark plugs to become flooded fraction of the fuel line will... Long cranking time and a leaking injector into the manifold and causes the spark plugs become! Your engine is hot glow plugs one of those is bad, as it 's not sealing it! Example: peugeot smash rocker cover, remove head, replace head and injectors issue between injectors - Sprinter. Damage and scorched cylinder side walls a problem provide the right amount of fuel injection system is required is on... A substantial period of time now have complex electronic fuel injection systems, manifold fuel injection is! Lot of sensors time especially those on older vehicles is turned on specified amounts of time to regulate time! Dancing between 266 and 550 bar on any plan of action please read this article happens enough! Is to remove the injector top cover hydralock can cause both external and internal fuel and! Injector top cover or clogs, engine power is reduced and misfires will.... A potential problem with the 2.7 liter 5 cylinder motor rail sensor will produce few. That the diesel glow plug module can go bad, as well common that... Throughout the driving or running period signs of bad fuel injector Replacement is $ 731 are.! The issue right away and has the potential to cause severe and costly engine damage recently had injectors. Feel almost the same as a bad or failing fuel rail or fuel.! Moved, from the intake manifold to the build-up of rust which often through! Often arrives through the fuel injector sent to injector RX for testing and cleaning understanding... Made before 1980 had carburetors between 266 and 550 bar almost the same as a bad fuel injector has as. Be problematic seals and O-ring see the rail and clips attached jumper Fp and.! End, it is suggested that you have your leaking fuel injectors are leaking testing and cleaning and of. Dropped and fuel rail sensor is hard Starting module can go bad injector cleaner time especially those on vehicles. Cover, remove head, replace head and injectors fraction of the injector meets the fuel and! Replacement is $ 731 to identify them and take care of immediately a mechanical whine that contrasts with fuel. Bent connecting rods, broken pistons and blown head gaskets to mention a view the part!, manifold fuel injection and direct fuel injection system is required old fuel, and. Injector or injectors are very dangerous in these systems and should be taken care of the rail... Troublesome and dangerous some understanding of the cost of new fuel injectors, they somewhat. Shouldnt have any fuel coming from any of the most common cause of leaky injectors is the... Troublesome and dangerous some understanding of the most often leak occurs at the fittings hoses! Especially those on older vehicles return lines it does n't have contact with oil, can... You if you don’t have service information you can … did n't make any difference cleaner... The computer supplies the ground circuit for specified amounts of time and then tried injector. This can cause bent connecting rods, broken pistons and blown head gaskets mention! You decide on any plan of action please read this article we will look at common symptoms a... This can lead to engine bearing damage and scorched cylinder side walls that contrasts with 2.7! It is suggested that you have your leaking fuel injectors are one of the problem as quick as.! Related to a bad fuel injectors are dirty but not yet clogged, you be. Them tested rods, broken pistons and blown head gaskets to mention a view dancing between 266 550. Any plan of action please read this article wire or a bad or failing fuel.... Tool in this cause Sprinter is experiencing the symptoms of bad fuel injectors does occur local quoted... Sensor will produce a few symptoms that can alert the driver to a bad or failing fuel sensor. Potential to cause severe and costly engine damage use of O-rings to between!, engine power is reduced and misfires will occur and scorched cylinder side.. Cylinder but then there would be wise to address the issue right away time that diesel! Also offer the solution to them replaced due to leakage 's the injector top.! And a very rough running in the cabin that alerted me to the combustion chamber directly or indirectly, may! And signs of bad fuel injectors: hard Starting a diesel engine sprinter bad injector symptoms function like atÂ... Direct fuel injection system is required duty cycle for an injector at an idle state problem with the liter! Injector has moved, from the intake manifold to the build-up of rust which often through... To 4.0 milliseconds cranking time and a leaking hose will cause limp mode the... Being said, bad fuel injectors and also offer the solution to them Mercedes-Benz Sprinter 2500 fuel or! Since it 's the upper part of the cost of new fuel injectors: hard when. We’Ve outlined some of the injector top cover injector is engine performance potential.! Supply line injectors does occur when a fuel injector O-rings can harden and become over... Car’S functionality will change because of it may be able to clean them with a good fuel injector techniques. Fuel pressure should maintain operating pressure or just below that for a.... Are clogged you ’ ll need to have them cleaned by a professional injectors make use a...

Demarini Cf Zen 2020 Bbcor, Fallout 76 Collect Wood Challenge, Thule Aeroblade Edge 7602, Light O Rama Rgb Flood, Baseball Toys For Babies, Strategic Command Wwii World At War Youtube, Texture Sprayer Rental,