What causes cranking no start on OM642 sprinter?
What causes cranking no start on OM642 sprinter?
Note: On the Sprinters The B+ connection at the starter is a splice that feeds power to the alternator and sometimes it melts and causes charging system (and possibly) cranking voltage drops. Generally, it overheats the starter solenoid and chances are high that the solenoid will break when the cable is changed so sell them both.
Why are the glow plugs on my diesel engine not working?
Glow plugs are an essential component for a cold start of every diesel engines. These are, in essence, a strong electrical heaters. As the car ages the glow plugs can fail. The symptoms are a long cranking time and a very rough running in the first several minutes.
Why does my Mercedes diesel engine not start?
However, if the engine is not running correctly automatic regeneration will not be started. Some of the possible causes are a faulty temperature sensor, swirl flap motor or EGR valve. Also, make sure you only use approved engine oil. Wrong engine oil can cause excessive soot build up.
Why is my 155700 diesel engine not starting?
155700 (P155700) [Stored] Engine cannot be started. (Blocking) Note: On the Sprinters The B+ connection at the starter is a splice that feeds power to the alternator and sometimes it melts and causes charging system (and possibly) cranking voltage drops.
Why does my sprinter truck not start up?
Internally there really are not many parts and as long as it stays lubricated with fuel it probably will not fail. The glow plug issue will not cause your idling problem. On this truck when you have a glow plug fail it will most likely take the glow time relay (located under the battery box) with it.
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.
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.
Glow plugs are an essential component for a cold start of every diesel engines. These are, in essence, a strong electrical heaters. As the car ages the glow plugs can fail. The symptoms are a long cranking time and a very rough running in the first several minutes.