Hyundai Elantra CN7 Quiz

Spark Plug Wires Replacement, Oxygen Sensor Replacement

In this manual: Spark Plug Wires Replacement, Oxygen Sensor Replacement
Repair and Maintenance Manual for Hyundai Elantra — 0General Information — 0Engine - Mechanical (DOHC 1.8L/2.0L) — 0Engine - Mechanical (DOHC 1.6L) — 0Engine Electrical Equipment — 0Emission Control System — 0Fuel system — 0Clutch — 0Transmission — 0Wheel Drive Shaft and Axle — 0Suspension — 0Steering — 0
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SPARK PLUG WIRES REPLACEMENT

Spark plug wires must be replaced with new ones at specified intervals. After replacing the wires, make sure the wires and connections are properly and securely connected.

When disconnecting a spark plug wire, hold only the rubber boot of the wire. If the spark plug wire is disconnected by pulling on the wire itself, internal breaks in the wire conductor may occur.

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OXYGEN SENSOR REPLACEMENT

The oxygen sensor is a component of the air-fuel mixture control system. If the oxygen sensor is damaged, exhaust gas purification efficiency decreases and the overall engine drivability deteriorates. Therefore, the oxygen sensor must be replaced with a new one at specified intervals.

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A quick Hyundai Elantra CN7 quiz: every answer comes with an explanation and a link to the manual page.