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Home >> Ford >> 2002 >> Taurus SES, 3.0 S >> Repair and Diagnosis >> External Pages >> Different car >> Section 204 (Engine Controls - System & Engine Component Tests - 6.0L (99P F450/550) Diesel) >> Hard Start/No-Start Diagnostic Procedures >> Test 2: Check Engine Oil Level >> Recommended Procedure

Recommended Procedure

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  1. Check oil level with dipstick when vehicle is on level ground. If there is no oil or very little oil in the crankcase, the injectors will not operate.
  2. If the oil level on the dipstick is overfull, it is possible the engine was incorrectly serviced or fuel/coolant is diluting the oil and filling the crankcase. Usually, if a substantial amount of fuel is in the oil, it will have a fuel odor.
  3. Inspect oil for color. A milky white oil indicates possible coolant contamination and will have an ethylene glycol odor.
  4. Check service records for correct oil type and viscosity for the vehicle operating temperature. Single weight or 15W-40 oil is not recommended for cold ambient temperatures. 10W-30 oil is recommended for cold ambient temperatures. Oil that has had extended drain intervals will have increased viscosity (become thicker) and will make engine cranking more difficult and starting less reliable at temperatures below freezing.
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