Colt L4-1795cc 1.8L SOHC (1993)
Spark Plug: Adjustments
1. Disconnect spark plug cable from the spark plug. If the spark plug cable is removed by pulling on the cable, it may be damaged.
2. Using a plug wrench, remove all plugs from cylinder head.
CAUTION: Use care not to allow foreign matter to enter through plug holes.
3. Check the spark plugs for the following:
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Broken insulator
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Worn electrode
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Carbon deposits
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Damaged or broken gasket
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Burnt condition of porcelain insulator at spark gap.
NOTE: Dark deposits indicate too rich a fuel mixture, light (white) deposits indicate too lean a fuel mixture, advanced ignition timing or
insufficient plug tightening
Spark Plug Gap
4. Check plug gap using a plug gap gauge and adjust if necessary.
Standard value: 1.0 - 1.1 mm (0.039 - 0.043 in.)
5. Tighten spark plug to specified torque. If overtorqueing occurs, damage to threaded portion of cylinder head might result.
Spark plug torque: 20 - 30 Nm (15-21 ft lb)
