Hyundai Elantra CN7 Quiz

Idle Speed Inspection

In this manual: Idle Speed Inspection
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
~1min read

Before adjusting, check the spark plugs, injectors and idle speed control actuator for proper operation, and make sure that cylinder compression is between the standard and minimum limits, that the compression difference between cylinders does not exceed the maximum limit, etc.

INSPECTION CONDITIONS

• Engine warmed up to coolant temperature of 80 – 95 °C.

• Headlights, cooling fan and all accessories: OFF.

• Transmission: neutral (selector lever in "P" or "N" for A/T models) • Steering wheel: straight-ahead position (models with power steering) 1. Connect tachometer to the primary side of the ignition coil, or connect a tester to the Data Link Connector (DLC).

2. Start the engine and let it idle.

3. Run the engine at approximately 2000 – 3000 rpm for 5 seconds or more.

Then let the engine idle for 2 minutes.

4. Read the idle speed value.

Idle speed:

1.6L I4: 750 ± 100 rpm 1.8/2.0L I4: 700 ± 100 rpm

Test yourself

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