Engine Difficult to Start or Will Not Start (Exhaust Smoke)
ENGINE DIFFICULT TO START OR WILL NOT START (EXHAUST SMOKE)POSSIBLE CAUSES
- Possible causes
Diagnostic Test
1. POSSIBLE CAUSES
This is a list of possible causes:
Check for any TSBs for ECM calibration updates that my apply.
Fuel level low.
Battery voltage low.
Fuel filter plugged.
Poor quality or improper grade of fuel.
Fuel tank venting.
Low fuel pressure.
Air in fuel system
Fuel Lift Pump malfunctioning.
Fuel Inlet restriction.
Fuel line kinked or restricted.
Fuel return passage or fuel return line kinked or restricted.
Injectors are incorrect.
Injector shim thickness is incorrect.
Injector malfunction.
Fuel connector leaking fuel.
Crankshaft position sensor (CKP) or Camshaft position sensor (CMP) and/or circuit malfunction.
Moisture in harness connectors or corroded terminals.
Internal engine damage.
Air intake restriction.
Exhaust restriction.
Fuel inlet temperature high.
Overhead adjustments.
Ignition switch output voltage low and/or open.
Starting accessories for cold weather such as engine block heaters, fuel heaters if equipped.
Engine cranking speed is low.
Electrical noise.
Fuel control actuator circuit
Speed indicator ring
Pressure limiting valve
Injector circuit
Air inlet restriction
External fuel leaks
View repair
Repair
Repair as necessary. Refer to Service Information for the related symptom(s).
Perform the POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). Powertrain Verification Test - Ver 1