You will need a bench mount pressure release tester to do this yourself.
What's wrong with my Mercedes?
Fuel Delivery Problems
Major cause of sudden loss of power
A plugged filter inside your fuel tank can lead to hard starting and power loss
The sources of fuel leaks and procedures needed to repair them are many
A unique special tool so affordable every diesel owner should have one
Begin with the "back end" fuel delivery system first.
Fuel pump, filter and related components most likely will need your attention on 25+ year old Mercedes
Lack of attention here will leave you stranded on the road!
Sometimes it can be something quite simple - other times not...
Depends a lot on the climate and how the car was stored but you should always begin with new fuel and filters
Fix at first sign of wetness under car - BEFORE total failure
This is a very common problem on the 602 and 603 diesel engines
Very important for cars over 20 years old.
Learn how this works so well and how you can do it yourself
This can be a frustrating challenge without the right tools.
If you know your glow plugs are working properly it could be a fuel pressure issue
With the right tools and procedure you can get precise results yourself
More common than you think and easy to fix with right tools
Common fuel leak problem but repair must be approached with care
These are signs your turbo over boost protection system is not working properly
How do you know if they are bad? If they have not been recently rebuilt they probably are!!!
Some will need to be "back flushed"
How to make your own in a pinch
Fuel Line and Transmission Cooler Line Leak Prevention
Here are some ways to inspect for and prevent algae growth
This one you definitely do not want to ignore!
Must read info BEFORE you rebuild your injector nozzles
Find the source and fix immediately to avoid an engine fire!
This important device is not immune to problems as the older diesel engines age!
Try to do this without spilling fuel on your car and all over the ground!
You have to be sure all air is removed from the fuel lines and hoses
You will be amazed how well this works!
Already done filters, injectors, tuning and still want more power - there is one more thing you could do.
The fuel from the injection pump can be shut off by following this tip:
Most owners forget about the fuel injectors - Cap, rotor, wires and plugs may not be enough
Applies to all 200D 220D 240D 300D 300CD 300TD 300SD 190D 300SDL 350SD and 350SDL
You need to look no further than the precision nozzles produced by Monark of Germany
Here are some things you should look out for!