Category Archives: Hard Start / No Start Diagnostics

Series 40E Troubleshooting – Section 10.6 Intake and Exhaust Restriction

Figure 1. Diagnostic Form A visual inspection of the intake/exhaust restriction will determine if this component is contributing to a no start or hard start condition. For a reproduction of the applicable portion of the diagnostic form, see Figure “Diagnostic Form” , above.‪ Note: A high intake or exhaust restriction may cause a considerable amount… Read More »

Series 40E Troubleshooting – Section 10.5 Engine Oil Level Check

Figure 1. Diagnostic Form The engine oil level check determines if the crankcase contains engine oil of sufficient quantity and quality to enable the injection control pressure system to function properly. For a reproduction of the applicable portion of the diagnostic form, see Figure “Diagnostic Form” , above.‪ Section 10.5.1 Test Procedure Follow this procedure… Read More »

Series 40E Troubleshooting – Section 10.4 Air Induction System

The air induction system must be visually inspected.‪ Section 10.4.1 Air Induction System Inspection Follow this procedure to inspect the Air Induction System.‪ Inspect the air cleaner housing externally for damage or distortion that could allow unfiltered air to enter the engine. NOTICE: Unfiltered air leakage into the induction system can cause accelerated engine wear.‪… Read More »

Series 40E Troubleshooting – Section 10.3 Visual Inspection

Figure 1. Diagnostic Form Visually inspect the general condition of the engine and look for obvious causes of hard or no start conditions. For a reproduction of the applicable portion of the diagnostic form, see Figure “Diagnostic Form” , above.‪ Section 10.3.1 Test Procedure Follow this procedure to visually check the general condition of the… Read More »

Series 40E Troubleshooting – Section 10.2 Sufficient Clean Fuel

Figure 1. Diagnostic Form The sufficient clean fuel procedure determines if the fuel system is getting sufficient clean fuel to start and operate the engine. For a reproduction of the applicable portion of the diagnostic form, see Figure “Diagnostic Form” , above.‪ Section 10.2.1 Test Procedure Follow this procedure to check for sufficient clean fuel… Read More »

Series 40E Troubleshooting – Section 10.1 Introduction Hard Start/No Start

The following pages have supporting information and instructions for the combined Hard Start/No Start diagnostics. Detailed instructions are included on how to perform each test and how to use any specialized equipment. See Figure “Hard Start No/Start Diagnostic Form (Side One)” . See Figure “Hard Start No/Start Diagnostic Form (Side Two)” .‪ Figure 1. Hard… Read More »