Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2008 Kia AmantiFACTORY OEM SERVICE PROCEDURE

PWM (Pulse Width Modulation) Solenoid Valve Control Feature

Fig 1: PWM Solenoid Valve Performance Curve

Courtesy of KIA MOTORS AMERICA, INC.

PWM solenoid valve is controlled linearly according to the duty ratio.

PWM SOLENOID VALVE SPECIFICATION

Item	Specification
Type	3way & Normal High
Supply voltage	12V
Coil resistance	2.6 ± 0.2Ω
Control frequency	61.27HZ (30.64HZ of Temp. ≤ -23°C)

Fig 2: Identifying PWM Solenoid Valve

Courtesy of KIA MOTORS AMERICA, INC.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.