wsm wg972-e4 - For Gasoline Fuel [Wg972-Gl, Wg972-G]; For Gas Fuel [Wg972-Gl, Wg972-L, Wg972-N]

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ENGINE

WG972-E4, WSM

1-S5

[2] FOR GASOLINE FUEL [WG972-GL, WG972-G]

9Y1211108ENS0119US0

[3] FOR GAS FUEL [WG972-GL, WG972-L, WG972-N]

9Y1211108ENS0120US0

Symptom

Probable Cause and

Checking Procedure

Solution

Reference

Page

Engine Turns Over At

Normal Speed But

Does Not Start

1. Spark plug electrodes are

wet with gasoline

Dry electrode and restart –

Symptom

Probable Cause and

Checking Procedure

Solution

Reference

Page

Engine Turns Over At

Normal Speed But

Does Not Start

1. Insufficient gas fuel Fill gas fuel G-10

2. Damaged gas fuel tank

valve

Check and replace –

3. Damaged lock off valve Check and replace 1-S19

4. Damaged gas regulator Check and replace –

Rough Low-speed

Operating And Idling

1. Shortage of gas supply Fill gas fuel G-10

Check lock off valve 1-S19

Deficient Output 1. Gas fuel density is rich Check and replace gas regulator –

2. Shortage of gas supply Repair or replace of fuel system G-15

Replace gas regulator –

KiSC issued 07, 2015 A

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