Ford Focus Quiz
Powertrain

Spark Plugs

In this manual: Powertrain
Vehicle - General — 4Accessories — 40Body — 237Chassis — 113Electrical — 19HVAC — 44Powertrain — 292
3steps
~18min
2/5difficulty
01020304050129N·mlb·ft
Tightening torque found on this page
Done 0 of 3
Removal and Installation
  1. Remove the ignition coil. For additional information, refer to Ignition Coil-On-Plug in this section.
  2. NOTICE: Only use hand tools when removing or installing the spark plugs, or damage can occur to the cylinder head or spark plug. NOTE:

    Remove foreign material from the spark plug well using compressed air.

    Remove the spark plug.
    • To install, tighten to 12 N·m.
  3. Inspect the spark plugs.
    Item Part Number Description
    1 — Deposits bridging spark plug gap
    2 — Wet black deposits (oil fouling)
    3 — Dry black deposits (carbon fouling)
    4 — Normal spark plug
    5 — Pre-ignition
    6 — Overheating
    7 — Fused spot deposits
  1. Check and adjust the spark plug gap as necessary.
  1. To install, reverse the removal procedure.

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