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Feeler Gauge Set 303-D027 (D81L-4201-A) or equivalent |
NOTE:
Refer to the appropriate Section 303-01 for the specification.
Use a Straightedge that is calibrated by the manufacturer to be flat within 0.005 mm (0.0002 in) per running foot of length, such as Snap-On® GA438A or equivalent. For example, if the Straightedge is 61 cm (24 in) long, the machined edge must be flat within 0.010 mm (0.0004 in) from end to end.
Use a Straightedge and a Feeler Gauge Set to inspect the cylinder block for flatness.
Ford Focus 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 plug.
Check for oil fouling.
Check for wet, black deposits on the insulator ...