QT1 CARRY OUT A VISUAL INSPECTION
Note. Visually inspect the vehicle for aftermarket accessories and performance modifications (air filter, exhaust system, intake system, performance chip, and turbocharger). Refer to ELECTRONIC ENGINE CONTROL (EEC) SYSTEM , MODIFICATIONS TO OBD VEHICLES .
- Access any related OASIS or TSB information.
- Inspect the air cleaner, inlet ducting, tubes and clamps.
- Inspect all hoses for damage, leaks, cracks, blockage, and proper routing.
- Inspect the fuel system including the fuel tank and the fuel lines for kinks, bends and/or leakage.
- Inspect the wiring harness for correct routing and chafing.
- Inspect the exhaust system.
- Check for the correct engine oil level and quality.
- Check the engine coolant for proper level.
Is any concern present?
| Yes | No |
|---|---|
| REPAIR as necessary. | GO to QT2 . |
QT2 VEHICLE PREPARATION
- Place the transmission gear selector into PARK.
- Apply the parking brake.
- Block the drive wheels.
- Turn off all electrical loads (radios, lights, A/C, blower, and fans).
Has the vehicle preparation been completed?
| Yes | No |
|---|---|
| GO to QT3 . | CARRY OUT the vehicle preparation. |
QT3 CARRY OUT THE PCM QUICK TEST
Note. If unable to access the PCM or a scan tool communication concern exists, GO to PINPOINT TEST AE .
- Connect the scan tool to the data link connector (DLC). Refer to «SCAN TOOL SETUP AND FUNCTIONALITY»(/ford/cutaway-e350-super-duty/2008-2012/remont/testing-diagnostics/#engine-controls-diagnostic-methods-e-350-60l-diesel-models__scan-tool-setup-and-functionality) .
- Carry out the PCM Quick Test to access and record any key ON engine OFF (KOEO), key ON engine running (KOER) and continuous memory DTCs. Refer to «QUICK TEST DESCRIPTION»(/ford/cutaway-e350-super-duty/2008-2012/remont/testing-diagnostics/#engine-controls-diagnostic-methods-e-350-60l-diesel-models__quick-test-description) .
- Access and record the Freeze Frame Data. Refer to «FREEZE FRAME DATA»(/ford/cutaway-e350-super-duty/2008-2012/remont/testing-diagnostics/#engine-controls-diagnostic-methods-e-350-60l-diesel-models) .
Are any DTCs present?
| Yes | No |
|---|---|
| REFER to DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONS . | GO to the No DTCs Present Symptom Chart Index . |
No DTCs Present Symptom Chart Index
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Starting Concerns | No Crank/Slow Crank | 601300 | CHART NUMBER: 1 |
| Hard Start/Long Crank/Erratic Start/Erratic Crank | 602300 | CHART NUMBER: 3 | |
| Stall After Start | CHART NUMBER: 3 | ||
| No Start/Normal Crank | 603300 | CHART NUMBER: 3 | |
| Unique Idle Concerns | Slow Return to Idle | 617400 | CHART NUMBER: 5 |
| Rolling Idle | 618400 | CHART NUMBER: 6 | |
| Fast Idle | 619400 | CHART NUMBER: 5 | |
DRIVEABILITY SYMPTOM CHART
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Stalls/Quits | Idle | 607400 | CHART NUMBER: 2 |
| Acceleration | 607500 | CHART NUMBER: 2 | |
| Cruise | 607600 | CHART NUMBER: 2 | |
| Deceleration | 607700 | CHART NUMBER: 2 | |
| Runs Rough | Idle | 608400 | CHART NUMBER: 6 |
| Acceleration | 608500 | CHART NUMBER: 7 | |
| Cruise | 608600 | CHART NUMBER: 7 | |
| Misses | Idle | 609400 | CHART NUMBER: 7 |
| Acceleration | 609500 | CHART NUMBER: 7 | |
| Cruise | 609600 | CHART NUMBER: 7 | |
| Buck/Jerk | Acceleration | 610500 | CHART NUMBER: 7 |
| Cruise | 610600 | CHART NUMBER: 7 | |
| Deceleration | 610700 | CHART NUMBER: 7 | |
| Hesitation/Stumble | Acceleration | 611500 | CHART NUMBER: 7 |
| Surge | Acceleration | 612500 | CHART NUMBER: 7 |
| Cruise | 612600 | CHART NUMBER: 7 | |
| Lack/Loss of Power | Acceleration | 614500 | CHART NUMBER: 7 |
| Cruise | 614600 | CHART NUMBER: 7 | |
DRIVEABILITY - PERFORMANCE WHILE DRIVING CONCERNS SYMPTOM CHART
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Engine Will Only Idle | CHART NUMBER: 4 | ||
| Poor Fuel Economy | 622000 | CHART NUMBER: 7 | |
| Malfunction Indicator Lamp (MIL) Concern | 698298 | CHART NUMBER: 8 | |
ADDITIONAL DRIVEABILITY CONCERNS SYMPTOM CHART
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Warning Indicators | MIL | 206000 | CHART NUMBER: 8 |
| Overdrive (O/D) Cancel | 698298 | CHART NUMBER: 10 | |
ELECTRICAL SYMPTOM CHART
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Automatic Transmission Shift Concerns | A/T Upshift | 501000 | CHART NUMBER: 11 |
| A/T Downshift | 502000 | CHART NUMBER: 11 | |
| Engagement | 503000 | CHART NUMBER: 11 | |
DRIVELINE SYMPTOM CHART
| System/Symptom | Oasis Number | Chart Number | |
|---|---|---|---|
| Oil System Concerns | High Oil Consumption | 401100 | CHART NUMBER: 12 |
| Leaks | 401800 | CHART NUMBER: 12 | |
| Exhaust System Concerns | Visible Smoke (No Oil Consumption) | 403400 | CHART NUMBER: 9 |
| Cooling System Concerns | Cooling Fan Does Not Operate | CHART NUMBER: 13 | |
ENGINE SYMPTOM CHART
Chart 1
- Starting Concerns: No Crank/Slow Crank
Carry out the following preliminary checks
- Automatic transmission in PARK or NEUTRAL.
- Battery connections.
- Starter relay connections.
- Battery load test.
- Fuse links.
- Anti-theft.
- Ignition switch.
- Powertrain control module (PCM) connectors not fully seated.
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TESTS -- E-350 6.0L DIESEL unless noted) |
|---|---|
| Check Starter Relay | REFER to the appropriate Starting System article to diagnose the engine does not crank/the relay does not click or the engine does not crank/the relay does click symptom. |
| Check Electrical Accessories | REFER to the appropriate Charging System article and CARRY OUT the Inspection and Verification to continue diagnosis. |
| Check Starting System Secondary Circuits | REFER to the appropriate Starting System article to diagnose the engine does not crank/the relay does click or the engine cranks slowly symptom. |
| Check Starting System Components | REFER to the appropriate Starting System article to diagnose the engine cranks slowly or the starter spins but the engine does not crank symptom. |
| Check TR Sensor | REFER to the appropriate Automatic Transmission/Transaxle article and CARRY OUT the Preliminary Inspection to continue diagnosis. |
| Check Reference Voltage (VREF) | GO to PINPOINT TEST B . |
STARTING CONCERNS: NO CRANK/SLOW CRANK SYMPTOM CHART
Chart 2
- Stalls/Quits: Idle, Acceleration, Cruise, Deceleration
Carry out the following preliminary checks
- Engine for correct oil level/quality.
- Electrical connections.
- Automatic transmission - torque converter operation, always applied.
- Automatic transmission fluid (ATF) level.
- Engine overheating.
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TESTS -- E-350 6.0L DIESEL unless noted) |
|---|---|
| Check For Cold Weather Stall | If the engine restarts after a stall, the oil return to the oil pan may be too slow. CONFIRM the correct grade of oil for frigid conditions. CHANGE the oil if necessary. |
| Check Performance Diagnostics | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Performance Diagnostic Procedures. |
| Check Torque Converter Operation If Stalls At Idle | REFER to the appropriate Automatic Transmission/Transaxle article and CARRY OUT the Preliminary Inspection to continue diagnosis. |
| Check Air Intake System | Visually INSPECT the air inlet for obstructions/restrictions. REPAIR as necessary. RESET the air filter restriction gauge. |
| Check Reference Voltage (VREF) | GO to PINPOINT TEST B . |
| CHECK RPM Signal | GO to HARD START/NO START DIAGNOSTIC PROCEDURES . CARRY OUT the Check the RPM Signal While Cranking Test. |
STALLS/QUITS: IDLE, ACCELERATION, CRUISE, DECELERATION SYMPTOM CHART
Chart 3
- Starting Concerns: Hard Start/Long Crank/Erratic Start/Erratic Crank, Stall After Start, No Start/Normal Crank
Carry out the following preliminary checks
- Engine for correct oil level and viscosity.
- Clean fuel.
- Intake restriction.
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TESTS -- E-350 6.0L DIESEL unless noted) |
|---|---|
| Check Fuel Pump Pressure | GO to HARD START/NO START DIAGNOSTIC PROCEDURES . CARRY OUT the Fuel System Delivery Test. |
| Check Parameter Identification (PIDs) | GO to HARD START/NO START DIAGNOSTIC PROCEDURES . CARRY OUT Step 10. If a concern is indicated, GO to the appropriate pinpoint test . |
| Check Engine Oil Pressure | REFER to the appropriate Engine article for the specifications. |
| Carry Out The KOEO Injector Electrical Self-Test (Click Test) | GO to the appropriate pinpoint test if a concern is indicated. |
| Check Fuel Quality | GO to HARD START/NO START DIAGNOSTIC PROCEDURES . CARRY OUT the Sufficient Clean Fuel Test. |
| Fuel Injector Control Module (FICM) | GO to PARAMETER IDENTIFICATION (PID) . Select PIDS: FICMLPWR, FICMMPWR and FICMVPWR. REFER to REFERENCE VALUES for correct values. No or low voltage may be caused by circuit integrity at the 12-way connector. |
| Check Glow Plug Module Power Circuit | CHECK the voltage between the glow plug B+ circuits and ground. If battery voltage is not present, CHECK the fusible link and circuitry. |
| Check Glow Plug Control Module | GO to PINPOINT TEST AF . |
| Check Glow Plugs | GO to PINPOINT TEST AF . |
| Check Glow Plug Connectors | GO to PINPOINT TEST AF . |
| Check for Injection Control Pressure (ICP) Sensor Bias | GO to PINPOINT TEST Q . |
| Check The Exhaust Gas Recirculation (EGR) System | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Exhaust Gas Recirculation (EGR) System Test. |
STARTING CONCERNS SYMPTOM CHART
Chart 4
- Engine Will Only Idle
Note. Heavy external load upon cold start may cause a momentary lack of power.
Carry out the following preliminary checks
- Accelerator pedal position (APP) sensor electrical connection failure.
- Interference from floor mats.
- Accelerator pedal damage.
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TESTS -- E-350 6.0L DIESEL unless noted) |
|---|---|
| Check Accelerator Pedal | GO to the appropriate pinpoint test and CONFIRM that the sensors and wiring are intact. |
| Check The Power Monitor | CHECK the TCM for continuous DTCs. If DTCs P0148 or P2552 are present, GO to the appropriate pinpoint test . |
ENGINE WILL ONLY IDLE SYMPTOM CHART
Chart 5
- Unique Idle Concern: Slow Return to Idle, Fast Idle
Carry out the following preliminary checks
- PCM system check.
- Accelerator pedal for binding, broken return spring, stuck condition (floor mats).
- External fuel source.
- Engine not reaching normal operating temperature.
- Power take-off (PTO), auxiliary idle control, and charge protect devices disengaged.
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TESTS -- E-350 6.0L DIESEL unless noted) |
|---|---|
| Check Accelerator Pedal | REPAIR if needed. |
| Check Crankcase Oil Level | If overfilled, DRAIN the crankcase to the correct level. DETERMINE cause of overfill. |
| Check Engine Oil | If there is coolant or fuel contamination in the engine oil, REPAIR as necessary. |
| Check For Fuel Contamination | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Sufficient Clean Fuel Test. |
| Check Parameter Identification (PIDS) | GO to PARAMETER IDENTIFICATION (PID) . SELECT Parameter Identification (PID). WARM engine to normal operating temperature. SELECT the engine oil temperature (EOT) PID. If EOT value is less than 38°C (100°F), INSTALL a new EOT sensor. |
| Check Turbocharger Ducting | REMOVE the turbocharger inlet air duct. INSPECT for debris/contamination. |
| Check The Exhaust Gas Recirculation (EGR) System | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Exhaust Gas Recirculation (EGR) System Test. |
| Check For Biased ICP Sensor | GO to PINPOINT TEST Q . |
UNIQUE IDLE CONCERN: SLOW RETURN TO IDLE, FAST IDLE SYMPTOM CHART
Chart 6
- Unique Idle Concerns: Rolling Idle
- Runs Rough: Idle
Carry out the following preliminary checks
- Check for correct engine oil level.
- Confirm oil change within 12,070 km (7,500 miles).
- Check air intake system: Air filter restriction gauge, inlet for obstruction/restrictions. RESET the air filter restriction gauge.
- Confirm acceptable SAE oil viscosity and API rating of oil.
- Check fuel quality. REFER to «PERFORMANCE DIAGNOSTIC PROCEDURES»(/ford/cutaway-e350-super-duty/2008-2012/remont/testing-diagnostics/#engine-controls-powertrain-dtc-charts-descriptions-e-350-60l-diesel-models__performance-diagnostic-procedures) .
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TESTS -- E-350 6.0L DIESEL unless noted) |
|---|---|
| Check Vane Sweep | GO to POWERTRAIN CONTROL SOFTWARE for a description of the vane sweep operation. Monitor the VGTDC PID during concern. |
| Check Fuel Pump Pressure | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Fuel System Delivery Test. |
| Low Idle Stability Test/Injection Control Pressure Test | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Low Idle Stability (ICP Pressure) Test. |
| Check For Biased ICP Sensor | GO to PINPOINT TEST Q . |
| Check Lubrication Pressure | REFER to the appropriate Engine article for the specifications. |
| Carry Out The KOEO Injector Electrical Self Test 6a And Power Balance Test 6b. | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . |
| Check Rough Idle | COMPLETE the Performance Diagnostics Form. If rough idle was present when the vehicle was new or after installing a new high-pressure pump, CHECK the high-pressure oil pump. |
| Check For Engine Wear | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Crankcase Pressure Test. If the crankcase pressure is greater than 15 mm Hg (8 in H 2 O), REPAIR the engine as necessary. |
| Check The Exhaust Gas Recirculation (EGR) System | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Exhaust Gas Recirculation (EGR) System Test. |
| Check Injector Operation | GO to INJECTOR INTERRUPT FOR ENHANCED DIAGNOSTICS . CARRY OUT the Injector Interrupt For Enhanced Diagnostic Test. |
| Check For Aerated Oil | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Oil Aeration Test. |
TIGHTENING UNIQUE IDLE CONCERNS: ROLLING IDLE SYMPTOM CHART
Chart 7
Note. The 6.0 diesel engine may exhibit a lack of power concern, without a DTCs, due to the powertrain control module (PCM) derate strategies designed for engine temperature protection. Vehicles will display a high temperature gauge reading when high engine oil temperature (EOT) conditions are encountered.
- Lack/Loss Of Power: Acceleration, Cruise
- Runs Rough: Acceleration, Cruise
- Misses: Idle, Acceleration, Cruise
- Buck/Jerk: Acceleration, Cruise, Deceleration
- Hesitation/Stumble: Acceleration
- Surge: Acceleration, Cruise
- Poor Fuel Economy
Carry out the following preliminary checks
- Confirm brakes are not dragging.
- Check for oil in coolant.
- Check the engine coolant level and quality.
- Check for engine overheating conditions.
- Check for the correct engine oil level.
- Confirm acceptable SAE oil viscosity and API rating of oil.
- Confirm oil change within 12,070 km (7,500 miles).
- Check air intake system: check for intake restriction. Air filter restriction gauge/air filter.
- Check the manifold absolute pressure (MAP) sensor hose for holes, blockage, or disconnection.
- Check the exhaust pressure (EP) sensor and tube for holes, blockage, or disconnection.
- Check the intake system for leaks.
- Check for low boost pressure.
- Check for over boost condition.
- Check for sufficient clean fuel.
- Compare loaded weight of vehicle with performance expectations.
- Power monitor active.
- Transmission concerns.
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TESTS -- E-350 6.0L DIESEL unless noted) |
|---|---|
| Carry Out The KOEO On-Demand Self-Test | GO to the appropriate pinpoint test if a concern is indicated. |
| Powetrain Control Module (PCM) | GO to PARAMETER IDENTIFICATION (PID) . Select PIDS: ECT, and EOT. REFER to REFERENCE VALUES for correct values. For the ECT, derate will occur when temperature exceeds 113C (235F). For the EOT, derate will occur when temperature exceeds 127C (260F). |
| Check Vane Sweep | GO to POWERTRAIN CONTROL SOFTWARE for a description of the vane sweep operation. Monitor the VGTDC PID during concern. |
| Carry Out The KOEO Injector Electrical Self Test 6a And Power Balance Test 6b. | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . |
| Retrieve/Clear Continuous DTCs | GO to the appropriate pinpoint test if a concern is indicated. |
| Check Turbocharger | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Boost Pressure Test. |
| Injection Control Pressure Test | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Low Idle Stability (ICP Pressure) Test. |
| Check Fuel Pump Pressure And Restriction | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Fuel System Delivery and Electric Fuel Pump Inlet Restriction Tests. |
| Carry out a slow neutral engine RPM run up in Park or neutral gear. | For symptom occurring between 1,200 RPM and 2,300 RPM, GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Power Balance Test. For symptom occurring between 3,000 RPM and 4,000 RPM, GO to PERFORMANCE DIAGNOSTIC PROCEDURES . Carry out the Low Idle Stability (ICP Pressure). If ICP sensor and connector are OK, CARRY OUT the Injection Pressure Regulator Test. |
| Check For Exhaust Restriction | MEASURE the EP. If the EP is greater than 234 kPa (34 psi) or 2 volts, LOCATE and REPAIR the restriction in the exhaust system. VERIFY the repair. |
| Check The Exhaust Gas Recirculation (EGR) System | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Exhaust Gas Recirculation (EGR) System Test. |
| Check For Engine Wear | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Crankcase Pressure Test. |
| Check Lubrication Pressure | REFER to the appropriate Engine article for the specifications. |
| Check For Aerated Oil | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Oil Aeration Test. |
| Check For Aerated Fuel | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Fuel Aeration Test. |
| Check Injector Operation | GO to INJECTOR INTERRUPT FOR ENHANCED DIAGNOSTICS . CARRY OUT the Injector Interrupt For Enhanced Diagnostics Test. |
| Transmission Concerns | REFER to the appropriate Automatic Transmission/Transaxle article and CARRY OUT the Preliminary Inspection to continue diagnosis. |
| Atmospheric Pressure Rationality Check | GO to PARAMETER IDENTIFICATION (PID) . With KOEO, SELECT Parameter Identification (PID). SELECT PIDs: EP, MAP and BARO. If any PID values/readings deviated from atmospheric pressure in your locale by more than 10 kPa (1.5 psi), GO to the appropriate pinpoint test for the sensor with the largest difference. |
| Check For Biased Injection Control Pressure (ICP) Sensor | GO to PINPOINT TEST Q . |
| Check For Biased EP Sensor | GO to PINPOINT TEST X . |
| Check For Coolant Leak | REFER to the appropriate, Engine Cooling, Pinpoint Tests, Loss of Coolant . |
| Check For Engine Overheating | REFER to the appropriate, Engine Cooling, Pinpoint Tests, The Engine Overheats . |
| Check For Correct Engine Coolant Level And Quality | REFER to the appropriate, Engine Cooling, General Procedures, Coolant Test - Diesel Engine . |
| Check Thermostat Operation | REFER to the appropriate, Engine Cooling, Diagnosis and Testing, Thermostat . |
| Check For Biased EOT Sensor | GO to PINPOINT TEST L . |
| Check For Biased ECT Sensor | GO to PINPOINT TEST K . |
| Check Power Monitor | GO to Pinpoint Test AT. |
| Check For Biased MAP Sensor | GO to PINPOINT TEST E . |
LACK/LOSS OF POWER: ACCELERATION, CRUISE SYMPTOM CHART
Chart 8
- Malfunction Indicator Lamp (MIL) Concern
- Warning Indicators: MIL
- Temperature gauge and Indicator
Note. The engine coolant temperature gauge normally indicates the temperature of the engine coolant. The temperature gauge will transition into the red zone (HOT) area of the gauge, if the engine coolant temperature (ECT) exceeds 120C (248F) or if the engine oil temperature (EOT) exceeds 127C (260F).
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TESTS -- E-350 6.0L DIESEL unless noted) |
|---|---|
| Carry out the KOEO On-Demand Self-Test and Retrieve/Clear Continuous DTCs | GO to the appropriate pinpoint test . |
| Instrument Cluster Prove-Out | CYCLE the ignition switch to verify MIL illumination. REFER to the appropriate Instrument Cluster to diagnose the malfunction indicator lamp (MIL) is never/always on. |
| Check For Coolant Leak | REFER to the appropriate, Engine Cooling, Pinpoint Tests, Loss of Coolant . |
| Check For Engine Overheating | REFER to the appropriate, Engine Cooling, Pinpoint Tests, The Engine Overheats . |
| Check For Correct Engine Coolant Level And Quality | REFER to the appropriate, Engine Cooling, General Procedures, Coolant Test - Diesel Engine . |
| Check Thermostat Operation | REFER to the appropriate, Engine Cooling, Diagnosis and Testing, Thermostat . |
| Check For Biased EOT Sensor | GO to PINPOINT TEST L . |
| Check For Biased ECT Sensor | GO to PINPOINT TEST K . |
MALFUNCTION INDICATOR LAMP (MIL) CONCERN SYMPTOM CHART
Chart 9
- Exhaust System Concerns: Visible Smoke (No Oil Consumption)
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TESTS -- E-350 6.0L DIESEL unless noted) |
|---|---|
| Preliminary Checks | CARRY OUT preliminary checks. GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT steps 1-4. VERIFY any concerns. |
| Atmospheric Pressure Rationality Check | GO to PARAMETER IDENTIFICATION (PID) . With KOEO, SELECT Parameter Identification (PID). SELECT PIDs: EP, MAP and BARO. If any PID values/readings deviate from atmospheric pressure in your locale by more than 10 kPa (1.5 psi), GO to the appropriate pinpoint test for the sensor with the largest difference. |
| Check Color Of Exhaust Smoke | NOTE: Some white tailpipe exhaust smoke is a normal condition at start-up with temperatures below 10°C (50°F) or with an extended idle in a cool climate. START the engine. If the exhaust smoke is white, GO to the next step. If the exhaust smoke is black, CHECK for charge air cooler restrictions. |
| Check White Tailpipe Exhaust Smoke | GO to HARD START/NO START DIAGNOSTIC PROCEDURES . CARRY OUT the Glow Plug System Operation Test. |
| Check Charge Air Cooler (CAC) for Restrictions | CHECK for any conditions that may restrict air flow through the charge air cooler. DISCONNECT the ducts at the CAC and CHECK for restrictions. CHECK inside of the CAC for restrictions. If there are any restrictions, CLEAN as necessary. VERIFY the repair. |
| Confirm Fuel Quality | If the concern is present, DRAIN the fuel tank. ADD known high quality diesel fuel to tank. If the amount of smoke is decreased, ADVISE the operator of need for a higher quality fuel. |
| Check For Out-of-Range Sensor | NOTE: Make sure the vehicle temperature is stabilized. SOAK the vehicle at ambient temperature for at least 8 hours. Verify no accessories are in use (engine block or oil heaters). CHECK the operation of: intake air temperature (IAT) sensor, manifold air temperature (MAT) sensor, engine oil temperature (EOT) sensor and engine coolant temperature (ECT) sensor. If the sensor temperature readings are not within 12 degrees, REFER to the applicable pinpoint test in PINPOINT TESTS -- E-350 6.0L DIESEL . |
| Check For Coolant Leak | REFER to the appropriate Engine Cooling article to diagnose the loss of coolant. |
| Check Thermostat Operation | REFER to the appropriate Engine Cooling article to diagnose the thermostat. |
| Isolate Engine Cylinders Generating Smoke | REMOVE the exhaust manifold attaching bolts. PRY the manifolds away from the cylinder head. START the engine. If a cylinder is generating excessive smoke, CHECK the compression. If not, TEST the glow plug(s). |
| Check Crankcase Pressure | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Crankcase Pressure Test. |
| Test Glow Plug | REMOVE the glow plug from the smoking cylinder. GROUND the body of the glow plug and INSTALL a jumper wire from the B+ source to the glow plug terminal. If the glow plug tip does NOT become hot, INSTALL a new glow plug. VERIFY the repair. |
| Switch Fuel Injectors | SWITCH injector(s) between a smoking and non-smoking cylinder(s). If the smoke moves with the injector(s), INSTALL new injector(s). VERIFY the repair. |
| Black Smoke | Check for air in the fuel. Test with a clear line at the pump inlet. REFER to the appropriate Fuel Tank and Lines article for removing fuel lines. |
| Check The Exhaust Gas Recirculation (EGR) System | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Exhaust Gas Recirculation (EGR) System Test. |
| NOTE |
|---|
| Some white tailpipe exhaust smoke is a normal condition at start-up with temperatures below 10°C (50°F) or with an extended idle in a cool climate. |
| NOTE |
|---|
| Make sure the vehicle temperature is stabilized. SOAK the vehicle at ambient temperature for at least 8 hours. Verify no accessories are in use (engine block or oil heaters). |
EXHAUST SYSTEM CONCERNS: VISIBLE SMOKE (NO OIL CONSUMPTION) SYMPTOM CHART
Chart 10
- Warning Indicators: Overdrive (O/D) Cancel
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TESTS -- E-350 6.0L DIESEL unless noted) |
|---|---|
| Check O/D Cancel | REFER to the appropriate, Automatic Transaxle/Transmission External Controls to diagnose the transmission control (TC) switch/indicator lamp is not operating correctly. |
WARNING INDICATORS: OVERDRIVE (O/D) CANCEL SYMPTOM CHART
Chart 11
- Automatic Transmission Shift Concerns: A/T Upshift, A/T Downshift, Engagement
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TESTS -- E-350 6.0L DIESEL unless noted) |
|---|---|
| Check Automatic Transmission | REFER to the appropriate, Automatic Transaxle/Transmission and CARRY OUT the Preliminary Inspection to continue diagnosis. |
AUTOMATIC TRANSMISSION SHIFT CONCERNS SYMPTOM CHART
Chart 12
- Oil System Concerns: High Oil Consumption, Leaks
Carry out the following preliminary checks
- External leaks (rocker cover gasket, crankshaft seals).
- Correct oil viscosity and API rating. Refer to the Owner's Literature, Maintenance and Specifications for the engine oil specifications.
- Check air intake system: Air filter restriction gauge.
- Loads do not exceed maximum gross vehicle weight rating (GVWR).
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TESTS -- E-350 6.0L DIESEL unless noted) |
|---|---|
| Verify High Oil Consumption | CONFIRM the oil consumption through maintenance records or other documentation. If records are not available, have the customer log oil consumption for 1,450 km (900 miles). If the oil consumption rate is NOT greater than 0.95 liter (1 quart) per 1,450 km (900 miles), no problem exists. RETURN the vehicle to the customer. |
| Check Base Engine | GO to PERFORMANCE DIAGNOSTIC PROCEDURES . CARRY OUT the Crankcase Pressure Test. |
| Isolate Turbocharger | REMOVE the air duct at the turbocharger compressor housing outlet. REPEAT the crankcase pressure test. If the crankcase pressure decreases, INSTALL a new turbocharger. VERIFY the repair. If not, CHECK the turbocharger for an oil leak. REFER to the appropriate, Fuel Charging and Controls - Turbocharger and CARRY OUT the Turbocharger Internal Oil Leak Test to continue diagnosis. |
OIL SYSTEM CONCERNS: HIGH OIL CONSUMPTION, LEAKS SYMPTOM CHART
Chart 13
Cooling System Concerns: Cooling Fan Does Not Operate
| SYSTEM/COMPONENT | REFERENCE ( PINPOINT TESTS -- E-350 6.0L DIESEL unless noted) |
|---|---|
| Fan Clutch Components | GO to PINPOINT TEST AH . |
COOLING SYSTEM CONCERNS: COOLING FAN DOES NOT OPERATE SYMPTOM CHART
See also:
• ELECTRONIC ENGINE CONTROL (EEC) SYSTEM
• MODIFICATIONS TO OBD VEHICLES
• PINPOINT TEST AE
• SCAN TOOL SETUP AND FUNCTIONALITY
• QUICK TEST DESCRIPTION
• FREEZE FRAME DATA
• DIAGNOSTIC TROUBLE CODE (DTC) CHARTS AND DESCRIPTIONS
• PERFORMANCE DIAGNOSTIC PROCEDURES
• HARD START/NO START DIAGNOSTIC PROCEDURES
• PARAMETER IDENTIFICATION (PID)
• REFERENCE VALUES
• INJECTOR INTERRUPT FOR ENHANCED DIAGNOSTICS
• QT2
• QT3
• No DTCs Present Symptom Chart Index
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