What are the symptoms of faulty injectors?
What are the symptoms of faulty injectors?
Here are a few signs there might be something wrong with your fuel injectors.
- The Engine Misfires. Dirty fuel injectors may cause your vehicle’s engine to misfire.
- Idling Gets Rough.
- Your Gas Mileage Tanks.
- The RPM Needle Starts to Dance.
- Your Car Won’t Start.
Is the OM642 a good engine?
In general, the OM642 engine has proven to be quite reliable. But near a mileage of 100-150k miles, auxiliary engine systems start to fail. The first thing that starts to fail on this engine is the crankcase ventilation system. The pre-2010 OM642 engines often had oil leaks from the oil cooler.
How do I know if my common rail injectors are bad?
A few signs that your injector is going bad include:
- Poor engine performance or misfires.
- A check engine light comes on.
- Hard starting or poor idle – especially after the vehicle has been sitting overnight.
- Black smoke from tailpipes.
- Foul odor from tailpipes.
- You notice a decrease in fuel efficiency.
How many miles per gallon does a sprinter get?
After compiling real-life data, it was found that the 2018 Mercedes-Benz Sprinter Van gets approximately 14.5 mpg on average.
Can you fix a bad fuel injector?
Clogged Injector – Clogged injectors can usually be repaired, if you catch the problem quickly. Sometimes a fuel injector is completely clogged because of years of neglect or a lack of regular engine servicing. If this is the case then a refurbished replacement may be the only option.
Why do Common Rail injectors fail?
Water contamination: Another common cause of Common Rail injector failure is contamination from excess water in the fuel. If not stored or handled correctly, water can enter the fuel and will react with the chemicals in it to corrode metal surfaces and reduce lubrication between the moving parts.
Why are Common Rail injectors so expensive?
Injectors have a tolerance of 1 micron, the finest tolerance of any mechanical component on the engine. To be able to manufacture at such precise standards and to afford the exacting quality checks along with it also helps to explain part of the costs of quality fuel injectors.
What kind of injector do I need for Mercedes OM642?
Some people advise using the Honda Accord 2.2 Diesel injector seals in applications for Mercedes CDI diesels instead of specified MB sealing washers. Another reason for the black smoke from the exhaust pipe sometimes related to a malfunction in the glow plug controller.
What causes an OM642 diesel engine to fail?
om642 v6 diesel engine failure 1 Front engine bearings can fail. A lousy batch apparently. 2 The common fault is the swirl flap motor failing due to oil leaking from the turbo. 3 Turbo actuator fault 4 Manifolds clog with EGR deposits. There’s a mod to remove this. A UK based Chrysler 300 forum has the answer.
What causes Black Death on a Mercedes OM642?
New seals have a purple color. Injector copper seals are known to fail, causing a buildup of heavy carbon deposits around the injector. The car begins to smoke and lose power. As a result, it all ends with the failure of the fuel injectors (known as “Black Death”).
When did Mercedes Benz introduce the OM642 BlueTEC?
Mercedes has published information about virtually every problem and the correct solution. The most common problem is the Mechanic didn’t follow the instructions. Mercedes-Benz introduced the OM642 V6 BlueTec diesel in 2007. A few years later they introduced the OM651 4 cylinder BlueTec diesel. BlueTec refers to the type of diesel emission system.