P1349Ignition System

VVT System Malfunction (Toyota/Lexus)

P1349 is a Toyota/Lexus code for a Variable Valve Timing (VVT) system malfunction. The camshaft timing is not responding as commanded, often due to oil flow, the OCV, or the VVT actuator.

🚗 Yes, short-term, but expect rough running and reduced performance.

MEDIUM

severity

🎯 Top Causes, Ranked by Likelihood

#1Faulty oil control valve (OCV)$80-$300

45%

A stuck or clogged OCV cannot control cam timing.

#2Low or dirty engine oil$40-$120

30%

Poor oil flow prevents proper VVT operation.

#3VVT actuator or camshaft phaser wear$200-$800

25%

A worn phaser cannot achieve the commanded timing.

🩺 Common Symptoms

Check engine light
Rough idle
Reduced power
Possible rattle at startup

💰 Repair Cost: DIY vs Shop

DIY Cost

$40-$300

Shop Cost

$150-$800

📋 Free OBD2 Code Cheat Sheet

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🔧 How to Diagnose P1349

1Check oil level, condition, and viscosity

2Clean or test the oil control valve

3Inspect the OCV filter screen for debris

4Test the VVT actuator and camshaft timing

❓ Frequently Asked Questions

Can I drive with P1349?

Short-term yes, but expect rough running and reduced performance. Diagnose soon.

Is P1349 a Toyota code?

Yes, P1349 is a Toyota/Lexus VVT system malfunction code.

What causes P1349?

A faulty oil control valve, low or dirty oil, or a worn VVT actuator are common causes.

🔗 Related Codes

P0011P0012P0010