Operation CHARM
: Car repair manuals for everyone.
Home
>>
Subaru
>>
2003
>>
Impreza F4-2.5L SOHC
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Ignition System
>>
Spark Plug
>>
Adjustments
Spark Plug: Adjustments
ADJUSTMENT
Measure the
spark plug
gap with a gap gauge, and adjust if necessary.
Spark plug
gap: L
1.0 - 1.1 mm (0.039 - 0.043 in)
NOTE:
Replace with a new
spark plug
if area (A) is worn to a rounded shape.