Ford Focus Service Manual: Spark Plugs
Removal and Installation
- Remove the ignition coil. For additional information, refer to Ignition Coil-On-Plug in this section.
- 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 Nm (106 lb-in).
- 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
- Check and adjust the spark plug gap as necessary.
- To install, reverse the removal procedure.
Spark Plug Inspection
Inspect the spark plug for a bridged gap.
Check for deposit build-up closing the gap between the electrodes. Deposits
are caused by oil or carbon fouling.
Install a new spark pl ...
More about Ford Focus:
Ford Focus General information
CAUTIONS:
Use only approved wheel and tyre
sizes. Using other sizes could
damage the vehicle and will make
the National Type Approval invalid.
If you change the diameter of the
tyres from that fitted at the factory,
the speedometer may not display
the correct speed. Take the vehicle to
...
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