Why is the starter not cranking on my sprinter?
If the starter does not crank at all, then it is good to understand that the start command is issued by the ECU and not the key! This is because the ECU monitors the key security module and will disallow starting unless a valid key (with correct internal chip) is being used in the ignition switch.
What should the cranking pressure be on a sprinter?
The fuel rail must provide an absolute minimum cranking pressure of between 250 and 300 Bar, any less and the ECU will not allow the engine to start.
Why does my sprinter cut out when I start the car?
Generally it is quite reliable – if you have problems starting the vehicle it is often a good quick check to watch the tacho needle flick slightly as you crank the engine. If it flicks, then this is normally a sign of an impulse from the sensor reaching the ECU.
Where is the culpret on a Daimler sprinter?
If you have access to a DRB (Daimler scan tool) check fuel pressure. You must have at least 2500 PSI to start. 3. If no or low fuel pressure the nasty little culpret may be a 25 cent o-ring. The fuel pressure regulator is located at the rear of the fuel rail on 2002 to 2004 trucks.
If the starter does not crank at all, then it is good to understand that the start command is issued by the ECU and not the key! This is because the ECU monitors the key security module and will disallow starting unless a valid key (with correct internal chip) is being used in the ignition switch.
The fuel rail must provide an absolute minimum cranking pressure of between 250 and 300 Bar, any less and the ECU will not allow the engine to start.
Generally it is quite reliable – if you have problems starting the vehicle it is often a good quick check to watch the tacho needle flick slightly as you crank the engine. If it flicks, then this is normally a sign of an impulse from the sensor reaching the ECU.
What is part number for sprinter fuel regulator?
Dont let your dealer try to sell you the whole regulator for $300 the o-ring only kit is part number is 05175439AA. 4. If this is not the problem you may have too much fuel bypassing inside worn injectors. You need to run a fuel quantity test.
Why is my Mercedes Benz starter not working?
Often times, when the starter is defective or seizes up it will blow out the fuse that protect the starter circuit. Another thing that you can try is to hit the starter with a rubber hammer a couple of times. Depending what kind of starter problems you have, the starter may work a few more times.
Why does my Mercedes not start when I charge the battery?
This Mercedes-Benz is not starting because of a low battery. In this case, what you need to do is trickle charge your battery using any of these 12 volt battery trickle chargers. If you need help read this article on How to charge a Mercedes-Benz the right way. Mercedes won’t start, and it’s not the battery.
What should I do if my sprinter wont start?
Inspect the o-ring and back up washer on the end of the regulator. If you have a split or tear in this o-ring you just found your problem. Replace the o-ring and reinstall. Dont let your dealer try to sell you the whole regulator for $300 the o-ring only kit is part number is 05175439AA.
Often times, when the starter is defective or seizes up it will blow out the fuse that protect the starter circuit. Another thing that you can try is to hit the starter with a rubber hammer a couple of times. Depending what kind of starter problems you have, the starter may work a few more times.
This Mercedes-Benz is not starting because of a low battery. In this case, what you need to do is trickle charge your battery using any of these 12 volt battery trickle chargers. If you need help read this article on How to charge a Mercedes-Benz the right way. Mercedes won’t start, and it’s not the battery.
What are the problems with a Mercedes Benz?
Top 5 Mercedes-Benz no start problems 1 Engine Click, No Start 2 Engine Dies Right After It Starts 3 Car turns over, but it won’t start 4 The car makes a clicking noise but won’t start. Hint: Starter Problem or Low Battery 5 Key will not turn the ignition More
Is there a way to reset the ECU?
Disconnect the battery and Switch the ignition key to the on position for about 15 minutes should reset the ECU Can a ECU be reset? Yes, all ECU (Engine Control units) can be reset and be should reset once per manufacturer’s guideline for a smooth relearn process or upon installing a replacement unit.
Where do you put the regulator on a sprinter?
It makes it easier if you have the left hand threaded pin in place in the regulator flange mounting hole, before offering it into place. (left hand in fitting position, if standing at front of engine) Once the two pins are re-fitted the electrical connector can be attached and the intake manifold upper half rebuilt.
Why are my cranks on my sprinter not working?
Checked clear lines and NO air bubbles or foam. Got van to start after several extended cranks but died as soon as accelerator peddle pressed. Van towed back to dealership and I asked what my feed pressure and rail pressure readings are and was informed they never tested or checked as the only code is no communication with MAF sensor.
What causes boost to fail on Sprinter van?
Turbocharger Actuator On the modern diesel engine used in the Sprinter van, boost pressure is controller using a vane-system. The control valve for the vane system is electronically controlled and can fail. The turbocharger is still healthy, only the control valve has failed.
What should fuel pressure be to start sprinter?
You must have at least 2500 PSI to start. 3. If no or low fuel pressure the nasty little culpret may be a 25 cent o-ring. The fuel pressure regulator is located at the rear of the fuel rail on 2002 to 2004 trucks. Its held in with two little torx head screws and can be a mother to get out. It’s not terrible you just have to work by feel mostly.
If you have access to a DRB (Daimler scan tool) check fuel pressure. You must have at least 2500 PSI to start. 3. If no or low fuel pressure the nasty little culpret may be a 25 cent o-ring. The fuel pressure regulator is located at the rear of the fuel rail on 2002 to 2004 trucks.
How to reset service indicator on MB sprinter?
1. Switch on ignition. If the exceeding of the maintenance interval is shown in the display, you have to wait until the readout in the display automatically jumps over to total km. Only then is it possible to get into the service menu. 2. Press button 0 on the instrument cluster for approximately 30 seconds until a beep sounds. 3.
How to reset the oil can on a sprinter?
Press button 0 on the instrument cluster for approximately 30 seconds until a beep sounds. 3. On diesel engines with a long oil change interval: Press button M (1) repeatedly until “rESEt .51 / rESEt .31” is shown on the display, or on older instrument clusters “rESEt 229.5 / rESEt 229.3” is shown together with the oil can symbol. 4.
Why is my Turn indicator not working on my Mercedes Sprinter?
More often than not the number one cause of indicator problems on the Mercedes Sprinter range is due to the failure of a small control relay located on the lower edge of the fuse board on the steering column.
When does the Def warning light come on in a sprinter?
Description: The yellow Mercedes Sprinter DEF – diesel exhaust fluid warning light comes on with the engine running when the exhaust gas aftertreatment system has malfunctioned or the level of Diesel Exhaust Fluid (DEF) is running low.
Is there a turn signal relay on a sprinter?
Just a note: There is no conventional flasher turn signal relay, the one you commonly see as the main plug in unit on other vehicles, that controls the flash rate/duration etc.
Why does my Mercedes Sprinter have a yellow warning light?
The yellow Mercedes Sprinter DEF – diesel exhaust fluid warning light comes on with the engine running when the exhaust gas aftertreatment system has malfunctioned or the level of Diesel Exhaust Fluid (DEF) is running low.