Kia Niro: Power Train / Spark Plug Repair procedures

Kia Niro 2017 (DE HEV) Service Manual / Maintenance / Power Train / Spark Plug Repair procedures

Inspection

[On vehicle inspection]

1.	Accelerate the engine to about 3,000 rpm 3 times or more.

2.	Remove the spark plug.

3.	Check the spark plug visually. If the electrode is dry, the spark plug is normal. If the electrode is wet, check the damage and electrode gap as below.

[Component Inspection]

1.	Check the spark plug for any damage on its thread and insulator. If there is damage, replace the spark plug.

Check the electrode. Measure the insulation resistance with an ohmmeter.

If the resistance is less than the specified value, adjust the electrode gap.

Specification: 10 MΩ or more

Check the spark plug electrode gap.

If the gap is greater than the maximum, replace the spark plug.

Specification: 0.7 - 0.8 mm (0.0276 - 0.0314 in.)

If adjusting the gap of a new spark plug, bend only the base of the ground electrode. Do not touch the tip.

Never attempt to adjust the gap on a used plug.

Replacement

1.	Remove the ignition coil. (Refer to Ignition System - "Ignition Coil")

Using a spark plug wrench, remove the spark plug (A).

spark plug :

19.6 - 24.5 N·m (2.0 - 2.5 kgf·m, 14.5 - 18.0 Ib·ft)

•	Be careful that no contaminates enter into spark plug holes.

3.	Install in the reverse order of removal.

Fuel Lines, Hoses and Connections Repair procedures

Inspection Visually check the fuel lines for cracks, leakage, loose connections, deformation or tank band looseness. ...

Vapor Hose and Fuel Filler Cap Repair procedures

Inspection Vapor hose 1. Check all the clamps for tightness and the connections for leakage. 2. Visually check the vapor lines and hoses for c ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Shift Cable Repair procedures
Removal • Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instr ...

Kia Niro (DE HEV) Owners Manual: Self-diagnosis
If you don’t hear an audible warning sound or if the buzzer sounds intermittently when shifting the gear to the R (Reverse) position, this may indicate a malfunction in the rear parking assist system. If this occurs, we recommend that the system be checked by an authorized Kia dealer. WARNI ...