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Chart 9

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.
SYSTEM/COMPONENT REFERENCE (Section 5 Pinpoint Test unless noted)
  1. Verify the engine operates at normal temperature
  1. Visual. REFER to the Workshop Manual Section 303-03, Engine Cooling or No Diagnostic Trouble Codes (DTCs) Present Symptom Chart Index  to diagnose any cooling system concerns that are present.
  1. Verify correct coolant level and coolant concentration
  1. REFER to the Workshop Manual Section 303-03, Engine Cooling for correct coolant concentrations and fill procedures.
  1. MAF Sensor
  1. refer to PINPOINT TEST DC - Mass Air Flow (MAF) Sensor .
  1. Base Engine
  1. REFER to the Workshop Manual Section 303-00, Engine System and carry out the Inspection and Verification to continue diagnosis.
  1. Fuel Delivery System
  1. refer to PINPOINT TEST HC - Fuel Delivery System .
  1. Secondary Ignition System
  1. For vehicles equipped with a coil pack ignition system, refer to PINPOINT TEST JC - Secondary Ignition (Coil Pack) .
  2. For all others, refer to PINPOINT TEST JB - Secondary Ignition (COP) .
  1. PCV System
  1. refer to PINPOINT TEST HG - Positive Crankcase Ventilation (PCV) System .
  1. Engine Oil Quality
  1. Visual
  1. Additional Testing
  1. refer to PINPOINT TEST Z - Intermittent .
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