LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2009 >> Flex Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1136 (Engine Controls - Symptom Charts (Except Diesel & Hybrid)) >> No Diagnostic Trouble Codes (DTCs) Present Symptom Charts >> Chart 12

Chart 12

WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2008 Mercury Sable, 2008 Mercury Mountaineer, 2008 Mercury Milan, 2008 Mercury Mariner, and 2008 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • If the symptom is both a MIL on and exhaust emission test failure, GO directly to Chart 11.
  • If the engine is a no start, GO directly to Chart 3.
  • If the engine runs rough at idle, GO directly to Chart 1.
SYSTEM/COMPONENT REFERENCE (Section 5 Pinpoint Test unless noted)
  1. Verify the fuel filler cap is correctly tightened or the capless fuel tank filler pipe is correctly sealed.
  1. Visual
  1. Check Fuel Cap Indicator
    • Never/always on
  1. REFER to the Workshop Manual Section 413-01, Instrument Cluster to diagnose the check fuel cap indicator is never/always on or Section 413-08 Information and Message Center to diagnose the CHECK FUEL CAP warning is inoperative.
  1. MIL
    • Always on when the engine is running (no DTCs present)
    • Never on (including during indicator prove out)
  1. REFER to the Workshop Manual Section 413-01, Instrument Cluster and carry out the Inspection and Verification to continue diagnosis.
  1. PTO
    • PTO indicator never/always on
    • PTO not working correctly
  1. refer to PINPOINT TEST FB - Power Take Off (PTO) .
  1. Temperature Warning Indicator or Gauge (applications with CHT sensor only)
    • Engine cooling system
    • Indicator circuits
  1. For an engine that is overheating, REFER to the Workshop Manual Section 303-03, Engine Cooling to diagnose the engine overheating symptom. Be aware that since a PCM DTC is not present, the PCM is not attempting to activate the indicator.
  2. For an engine operating at normal temperature, refer to PINPOINT TEST DL - Cylinder Head Temperature (CHT) Sensor .
  1. TCIL
    • Always on when the engine is running (no DTCs present)
    • Never on
  1. For E-Series, refer to PINPOINT TEST TB - Transmission Control Switch (TCS)/ Transmission Control Indicator Lamp (TCIL) .
  2. For all others, REFER to the Workshop Manual Section 413-01, Instrument Cluster.
  1. Powertrain Malfunction Indicator (Wrench)
    • Never/always on
  1. REFER to the Workshop Manual Section 413-01, Instrument Cluster to diagnose the wrench indicator is never/always on or Section 413-08 Information and Message Center to diagnose the POWERTRAIN MALFUNCTION warning is inoperative .
  1. Additional Testing
  1. refer to PINPOINT TEST Z - Intermittent .
scientia non olet · About LEMON Manuals