Dorman 918-091 Engine Variable Valve Timing (VVT) Solenoid - Intake

Reliable Engine Variable Valve Timing Solenoid for Toyota Vehicles

The Dorman 918-091 Engine Variable Valve Timing (VVT) Solenoid is designed to maintain optimal engine performance in select Toyota models. Engineered with a 12-volt electromagnetic activation system, this solenoid ensures precise control of valve timing for improved efficiency and power.

• Voltage: 12V for standard automotive electrical systems
• Single male connector with plug and socket type for secure electrical connection
• Durable plastic housing designed for engine compartment conditions
• Two terminal quantity for reliable electrical contact
• Standard replacement grade for dependable performance
• Package includes one engine variable timing solenoid
• Compatible with Toyota 4Runner, Hiace, Hilux, and Tacoma models

Technical Details and Compatibility

The Dorman 918-091 VVT solenoid features a plastic housing that withstands heat and vibration typical in engine environments. Its electromagnetic activation type allows for precise valve timing adjustments, which are critical for maintaining engine efficiency and emissions control. The solenoid’s single male connector with plug and socket terminals ensures a secure and straightforward installation process. This part is a standard replacement designed to meet OEM specifications, making it suitable for Toyota 4Runner, Hiace, Hilux, and Tacoma vehicles requiring a reliable VVT solenoid.

Common Applications and Problem Resolution

This engine variable valve timing solenoid is used to regulate the timing of the intake and exhaust valves, optimizing engine performance and fuel economy. It addresses several common issues, including:

• Engine performance irregularities such as rough idling or hesitation
• Check engine light triggered by VVT system faults
• Reduced fuel efficiency due to improper valve timing
• Increased emissions from faulty valve timing control
• Engine stalling or poor acceleration linked to solenoid failure

Installation Notes and Tips

When installing the Dorman 918-091 VVT solenoid, ensure the engine is cool to avoid burns. Disconnect the battery before removal to prevent electrical shorts. Carefully unplug the existing solenoid’s connector and remove mounting bolts. Install the new solenoid by securing it firmly and reconnecting the electrical connector, verifying the plug and socket connection is tight. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

Dorman provides this engine variable valve timing solenoid as a standard replacement part, manufactured to meet or exceed OEM standards. The 918-091 part number undergoes rigorous quality control to ensure durability and reliable performance in Toyota 4Runner, Hiace, Hilux, and Tacoma models. Warranty coverage details are available through Dorman and typically include limited warranties against defects in materials and workmanship.