Mercedes Benz

The value of sensor B4/15 (Fuel pressure sensor) is implausible. (P0191) The value of sensor B4/15 (Fuel pressure sensor) is implausible. (P0191) Possible cause: ­ B4/15 (Fuel pressure sensor) Affected functions: ­ Engine running ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ Test 1: Check component B4/15 (Fuel pressure sensor). 10.52SS Page 8692010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 870 1. Check component B4/15 (Fuel pressure sensor). Test 1.1: Check component B4/15 (Fuel pressure sensor) using actual value. Test 1.2: Check power supply of component B4/15 (Fuel pressure sensor). 1.1. Check component B4/15 (Fuel pressure sensor) using actual value. Test prerequisite ­ Relevant fault code exists or there is a complaint. Test sequence ­ Operate engine at idling speed. Status of the relevant actual values: ­ Fuel pressure ( Absolute value ):Warning! Communication with ECU required. ­ B4/15 (Fuel press...