How to tell if a Mercedes Sprinter has a fault?
If no control voltage is present look for a break in the wiring from the valve to the ECU. Trace back the wires to the ECU connector and prove continuity exists from the ECU connector to the valve. Pin outs and wire colours are given in the included diagrams.
What kind of valve actuator does a sprinter have?
This electrical valve actuator is popularly at fault with the Mercedes Sprinter model and your dealer will have sold hundreds of this item over time. It has a single two wire electrical plug connected to it and three rubber pipes; in some cases its pipe locations are even marked: IN – OUT – VENT.
Where are the temperature sensors on a Mercedes Benz Sprinter?
In the first SCR Cat section there is another temperature sensor, and the last SCR section has one more N0x sensor. Once the exhausted fumes and particles have passed through this area they are passed through a particulate filter.
What should I do if my Mercedes Sprinter has no vacuum?
Once good vacuum supply has been determined, with the ignition off (no power to the valve and no vacuum present) the route of vacuum should be blocked by the valve to the turbo actuator.
Are there any continuous Def problems with Mercedes Sprinters?
Each of them have been the shop multiple times for the same problems. Chk Eng/Chk DEF/10 Starts Remaining. Mercedes and Freightliner can not seem to solve the problems. They just throw parts at the problem and send you on your merry way, only to have the same problem occur a day/week/month later.
In the first SCR Cat section there is another temperature sensor, and the last SCR section has one more N0x sensor. Once the exhausted fumes and particles have passed through this area they are passed through a particulate filter.
What makes a Mercedes Sprinter van go wrong?
These complicated systems are largely what go wrong on a Mercedes-Benz Sprinter van. Sure, on the outside they look simple, tough, and low maintenance. But when you get to know them better, you find that they are needy and require a lot more attention than you thought.
Why is the fuel pressure not maintained on my sprinter?
Causes for this pressure not to be maintained could be due to internally leaking injectors, faulty fuel pressure regulator or its O-ring seal (see covering article here ), faulty rail pressure sensor, High or Low pressure fuel delivery pumps.
How do you remove power lead from Mercedes Sprinter?
Then remove the cowling that forms the lower part of the steering wheel column cover. Two cross head screws at the top and a single 10mm nut at the base will remove the plastic cowling. Once removed undo the single 10mm fixings top and bottom, then flip up the protective disc and remove the large red power lead eyelet.
What to do if your Mercedes Sprinter has a split pipe?
Check vac supply to this device observing and rectifying any split or leaking pipework. Once good vacuum supply has been determined, with the ignition off (no power to the valve and no vacuum present) the route of vacuum should be blocked by the valve to the turbo actuator.
What should the rail pressure be on a sprinter?
If it is possible to monitor rail pressure using Live-Data, you may see the rail pressure dancing between 266 and 550 bar. Instability of pressure when holding a steady throttle will be the clue as to a problem with the fuel pressure control.
What to do if your sprinter loses power?
Some of the Sprinter owners have complained about problems like: Sudden loss of power on the move and the van going into the limp home mode If you feel that your Sprinter van is experiencing any of the above issues, you need to contact the best auto repair in your area and get your van inspected and maintained.
Then remove the cowling that forms the lower part of the steering wheel column cover. Two cross head screws at the top and a single 10mm nut at the base will remove the plastic cowling. Once removed undo the single 10mm fixings top and bottom, then flip up the protective disc and remove the large red power lead eyelet.
If no control voltage is present look for a break in the wiring from the valve to the ECU. Trace back the wires to the ECU connector and prove continuity exists from the ECU connector to the valve. Pin outs and wire colours are given in the included diagrams.
Are there any negatives to a Sprinter van?
For instance, improved lifespan and good torque characteristics via a broad range of RPM in Sprinter vans offer great driving comfort. The negative side, however, is that these engines have a sooty exhaust that needs to be controlled regularly so that the van does not cause much pollution.