Starting system

Symptom	Diagnostic procedure	Also check for
Engine does not crank	Starter system circuit troubleshooting .	Seized engine
Engine cranks, but does not start	1. Check for PGM-FI DTCs - Refer to: How To Troubleshoot The Fuel And Emissions Systems . 2. Check the PGM-FI main relay 1. Go to: Relay Circuit Board - Removal and Installation and the PGM-FI main relay 2 - Refer to: Power Relay Test (2019 2020 2021) Power Relay Test (2016 2017 2018) 3. Check for keyless access system symptom troubleshooting information - Refer to: Keyless Access System Symptom Troubleshooting Information (2016 2017 2018) or Keyless Access System Symptom Troubleshooting Information (2019 2020 2021) . 4. Check the fuel pressure Fuel Pressure Test . 5. Check for a plugged or damaged fuel line Fuel Line Inspection . 6. Check for a plugged fuel filter Fuel Tank Unit - Disassembly and Reassembly . 7. Check the throttle body Throttle Body Carbon Accumulation Check . 8. Check for low engine compression Engine Compression Inspection . 9. Check the camshaft timing Camshaft Timing Inspection . 10. Do the PCM reset PCM Reset Procedure in the PGM-FI System to cancel ALL INJECTORS STOP with the HDS.	Fuel level in tank Weak or fouled spark plugs
Engine is hard to start	Do the symptom troubleshooting for Engine will not start, engine starts but stalls immediately, or engine is hard to start - Go to:Fuel and Emissions Systems Symptom Troubleshooting - Engine will not start, engine starts but stalls immediately, or engine is hard to start .	Weak or fouled spark plugs
Engine cranks slowly	1. Check for loose 12 volt battery terminals or connections. 2. Test the 12 volt battery for a low state of charge - Refer to: 12 Volt Battery Test (Without Auto Idle Stop System) or 12 Volt Battery Test (With Auto Idle Stop System) 3. Check the starter for binding Starter - Overhaul (6-Speed A/T) (2016 2017 2018 2019 2020) . 4. Check for excessive drag in the engine.