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HOMESERVICE MANUALSMERCEDES BENZ2025SPRINTER 3500XD 2D CAB CHASSIS EXTENDED, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 3377 (ENGINE CONTROLS - PINPOINT TEST DY: ENGINE OIL TEMPERATURE (EOT) THROUGH PINPOINT TEST HD: MISFIRE DETECTION MONITOR - (EXCEPT DIESEL & HYBRID))PINPOINT TEST H: FUEL CONTROLTEST PROCEDURE
2025 Mercedes Benz Sprinter 3500XD 2D Cab Chassis Extended, RWD

Test Procedure

2025 Mercedes Benz Sprinter 3500XD 2D Cab Chassis Extended, RWDSECTION Test Procedure
WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
  1. H1 CHECK FOR DIAGNOSTIC TROUBLE CODES (DTCS) 

    Are DTCs P0171, P0172, P0174, P0175, P2195, P2196, P2197, P2198, P219A, P219B, P2270, P2271, P2272, P2273, P2274, or P2275 present? 

    Yes No
    For DTCs P2270, P2271, P2272, P2273, P2274 or P2275, GO to  H3.
    For all others, GO to  H2.    		 For all others, GO to DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONS .
  2. H2 RICH OR LEAN SYSTEM DTCS 
    NOTE: Do not clear the DTCs or reset the keep alive memory (KAM).
    • Access the PCM and record the engine coolant temperature (ECT) PID from the freeze frame data. The freeze frame data is used to recreate the concern.
    • Carry out the PCM self-test.

    Are any DTCs present other than the following: P0171, P0172, P0174, P0175, P2195, P2196, P2197, P2198, P219A, or P219B? 

    Yes No
    DISREGARD the current diagnostic trouble code (DTC) at this time. DIAGNOSE the next DTC. GO to DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONS . GO to  H3.
  3. H3 CARRY OUT A VISUAL INSPECTION 
    • Ignition OFF.
    • Check the air filter element and housing for blockage.
    • Inspect the entire air intake system from the mass air flow (MAF) sensor to the intake manifold for leaks such as:
      • hoses connecting to the MAF sensor assembly
      • cracked or punctured intake air tube
      • loose connections on the intake air tube at the air cleaner housing or throttle body
      • hoses connecting to the throttle body
      • idle air control (IAC) valve assembly or gasket
      • obstructions, restrictions, or damage
    • Check the throttle plate for obstructions or sludge.
    • Inspect the entire length of all the vacuum hoses for:
      • correct connections
      • damage or cracks
      • damaged or cracked vacuum tees
    • Inspect the intake manifold or gasket for leaks.
    • Inspect the exhaust gas recirculation (EGR) system for leaks such as:
      • EGR valve gasket leak to intake manifold
      • EGR valve diaphragm or control solenoid
    • Verify the integrity of the positive crankcase ventilation (PCV) system.
    • Verify the proper PCV valve part number.
    • Inspect the exhaust system for leaks at flanges and gaskets.
    • Visually inspect the HO2S for:
      • pinched, shorted, and corroded wiring and pins
      • oil or water contamination
      • crossed sensor wires
    • Inspect for an incorrectly seated engine oil dipstick, dipstick tube, or oil fill cap.

    Is a concern present? 

    Yes No
    For vacuum leak concerns, GO to  H8.
    For all others, REPAIR as necessary,
    Clear the PCM DTCs. REPEAT the self-test.    		 For DTCs P2270, P2271, P2272, P2273, P2274 or P2275, GO to  H35.
    For all others, GO to  H4.
  4. H4 CHECK THE EVAP SYSTEM FOR A STUCK OPEN EVAP CANISTER PURGE VALVE 
    NOTE: For E-Series, Escape/Mariner, Expedition, Explorer, F-150, Flex GTDI 3.5L, F-Series Super Duty, Fusion 2.5L, Fusion 3.0L, Milan, MKS 3.5L, MKT 3.5L, Mustang, Navigator, and Taurus GTDI 3.5L, use the EVAPCP PID to control the EVAPCP valve. For all others, use the EVMV PID to control the EVAPCP valve.
    • Ignition ON, engine running.
    • Access the PCM and monitor the FTP (PRESS) PID.
    • Access the PCM and control the EVMV (CUR) PID.
    • Access the PCM and control the EVAPCP (PER) PID.
    • Close the EVAPCP valve by commanding the EVMV PID to 0 mA or EVAPCP PID to 0%.
    • Access the PCM and control the EVAPCV (MODE) PID.
    • Close the EVAP canister vent solenoid by commanding the EVAPCV PID to ON (100% duty cycle).

    Does the FTPV PID decrease, the engine RPM change, or the engine stall, as an indication that the EVAPCP valve is stuck open? 

    Yes No
    INSTALL a new EVAP Canister Purge Valve. REFER to the appropriate Evaporative Emissions article.
    Clear the PCM DTCs. REPEAT the self-test.    		 For DTCs P0172, P0175, P219A or P219B, GO to  H16.
    For Edge, Escape/Mariner 3.0L, E-Series 4.6L, E-Series 5.4L, Expedition, Explorer, F-150, Flex, F-Series Super Duty, Fusion 3.0L, Milan 3.0L, MKS, MKT, MKX, Mustang, Navigator, and Taurus with DTCs P2196 or P2198, GO to  H15.
    For all other vehicles with DTCs P2196 or P2198, GO to  H13.
    For all others, GO to  H5.
  5. H5 CHECK FOR THE PRESENCE OF A VACUUM LEAK 
    NOTE: Fuel trim values at idle are more sensitive to a vacuum leak. The vacuum leak (unmetered air) represents a larger portion of the total air flow at idle than at part throttle.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.