Lexus Acura Error Code P1349: How to Fix It

Medium 2-4 hours High Severity Verified June 2026
Error Code
P1349
Brand
Lexus Acura
Product Type
automotive
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
2-4 hours
Error code P1349 indicates a malfunction in the Variable Valve Timing (VVT) system on Bank 1 of your Lexus or Acura engine. This fault can cause poor engine performance, reduced fuel economy, and potential engine damage if not addressed promptly.
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Tools You'll Need

How to Fix Error Code P1349

  1. Safety Preparation

    Never work on a hot engine. Hot components can cause severe burns. Always disconnect battery before electrical work.
  2. Scan for Additional Codes

  3. Check Engine Oil Level and Condition

  4. Inspect VVT Solenoid Connector

  5. Test VVT Solenoid Resistance

  6. Check VVT Solenoid Filter Screen

  7. Inspect Timing Chain and Components

    Timing chain work requires precise alignment. Mark all timing positions before disassembly and consult factory service manual for specific procedures.
  8. Test and Clear Codes

Parts You May Need

VVT solenoid valve
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Engine oil and filter
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Timing chain kit
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VVT solenoid valve
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Engine oil and filter
Check Price on Amazon
Timing chain kit
Check Price on Amazon
VVT solenoid valve
Check Price on Amazon
Engine oil and filter
Check Price on Amazon
Timing chain kit
Check Price on Amazon
VVT solenoid valve
Check Price on Amazon
Engine oil and filter
Check Price on Amazon
Timing chain kit
Check Price on Amazon
VVT solenoid valve
Check Price on Amazon
Engine oil and filter
Check Price on Amazon
Timing chain kit
Check Price on Amazon
VVT solenoid valve
Check Price on Amazon
Engine oil and filter
Check Price on Amazon
Timing chain kit
Check Price on Amazon
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When to Call a Professional

Call a professional mechanic if the timing chain shows excessive wear, if you're not comfortable with timing chain procedures, or if the error persists after replacing the VVT solenoid. Internal engine timing issues require specialized tools and expertise to prevent catastrophic engine damage.

Frequently Asked Questions

Can I drive with P1349 error code?
You should avoid driving with P1349 as it indicates VVT system failure which can cause poor performance, increased emissions, and potential engine damage. Have it diagnosed and repaired as soon as possible.
How much does it cost to fix P1349?
Repair costs vary from $150-300 for a VVT solenoid replacement to $1500-3000+ if timing chain components need replacement. Most cases are resolved with solenoid replacement and oil change.
Will P1349 cause my engine to fail?
While P1349 won't immediately destroy your engine, prolonged driving with this error can lead to increased wear, poor fuel economy, and eventual timing component failure which could cause major engine damage.
What causes P1349 error code?
Common causes include dirty or low engine oil, failed VVT solenoid, clogged solenoid filter, timing chain stretch, or faulty VVT actuator. Poor oil maintenance is the most frequent cause.
How often should I change oil to prevent P1349?
Follow your vehicle's recommended oil change intervals (typically 5,000-10,000 miles). Using high-quality oil and changing it regularly is crucial for VVT system health and preventing P1349 errors.