Symptom Troubleshooting Index

2006 Honda Pilot EX, 3.5 YF2, J35A9SECTION Symptom Troubleshooting Index
SYMPTOM TROUBLESHOOTING INDEX

Symptom Diagnostic procedure Also check for
Engine does not start (does not crank)
  1. Check for PGM-FI DTCs.
  2. Check for loose battery terminals or connections.
  3. Test the battery for a low charge (see BATTERY TEST ).
  4. Check the starter (see STARTER CIRCUIT TROUBLESHOOTING  ).
  5. Check the starter cut relay (see POWER RELAY TEST ).
  6. Check the transmission range switch (see TRANSMISSION RANGE SWITCH TEST ).
  7. Check the ignition switch or wire (see IGNITION SWITCH ).
Poor ground at G101, G102
Engine cranks, but does not start
  1. Check for PGM-FI DTCs.
  2. Check the fuel pressure (see FUEL PRESSURE TEST ).
  3. Check for plugged or damaged fuel line (see FUEL LINE INSPECTION ).
  4. Check for a plugged fuel filter (see FUEL FILTER REPLACEMENT ).
  5. Check the throttle body (see THROTTLE BODY TEST ).
  6. Check for low engine compression.
  7. Check for damaged or broken timing belt.
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Engine is hard to start
  1. Check for PGM-FI DTCs.
  2. Check the fuel pressure (see FUEL PRESSURE TEST ).
  3. Check for a plugged or damaged fuel line (see FUEL LINE INSPECTION ).
  4. Check for a plugged fuel filter (see FUEL FILTER REPLACEMENT ).
-
Engine cranks slowly
  1. Check for loose battery terminals or connections.
  2. Test the battery for a low charge (see BATTERY TEST ).
  3. Check the starter for binding (see STARTER OVERHAUL  ).
  4. Check for excessive drag in the engine.
 
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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.