P0028Ignition System

Intake Valve Control Solenoid Circuit Range/Performance (Bank 2)

P0028 means the intake valve control (VVT) solenoid on bank 2 is out of the expected range or not performing correctly. Common causes are a sticking oil control valve, low or dirty oil, or wiring issues.

🚗 Usually driveable, but expect reduced performance. Diagnose promptly to protect the VVT system.

MEDIUM

severity

🎯 Top Causes, Ranked by Likelihood

#1Sticking VVT oil control valve$50-$350

40%

A sticking valve gives out-of-range flow control.

#2Low or dirty engine oil$30-$120

30%

Dirty oil restricts the valve and phaser response.

#3Wiring or connector fault$50-$300

20%

Resistance in the solenoid circuit skews performance.

🩺 Common Symptoms

Check engine light
Rough idle
Reduced power
Poor fuel economy
Hesitation

💰 Repair Cost: DIY vs Shop

DIY Cost

$30-$350

Shop Cost

$100-$500

📋 Free OBD2 Code Cheat Sheet

The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.

🔧 How to Diagnose P0028

1Check oil level and condition first

2Inspect and test the VVT oil control valve

3Check solenoid wiring and connector

4Replace the valve if sticking or out of spec

❓ Frequently Asked Questions

Can I drive with P0028?

Usually yes, but performance suffers. Diagnose it promptly.

What is the most common cause of P0028?

A sticking bank 2 intake VVT oil control valve or low/dirty oil are the most common causes.

How much does P0028 cost to fix?

An oil change or valve is often $30-$350 plus labor.

🔗 Related Codes

P0021P0020P0026P0024