What happens when you unplug fuel pressure sensor in sprinter?
If I unplug the fuel pressure sensor and crank for about 20-30 seconds I can get it to hit on what sounds like one cylinder and make a little bit of fumes. The actual pressure matches the desired after 10-15 seconds of cranking. The actual pressure gradually builds and when you quit cranking it gradually drops.
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 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.
What kind of pressure crank does sprinter have?
This van is dead, makes no smoke or fumes when cranking. According to two scanners (SDS MB factory tool, and Snap on Solus) I have 5000PSI pressure cranking. If I unplug the fuel pressure sensor and crank for about 20-30 seconds I can get it to hit on what sounds like one cylinder and make a little bit of fumes.
Is there a Mercedes diesel injector for sprinter?
“Here at the Global Sprinter Research Center I am always eager to investigate Sprinter related technical issues.
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.
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.
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.