P0022: Camshaft Position Timing Over-Retarded (Bank 2)

P0022: Camshaft Position Timing Over-Retarded (Bank 2)

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P0022: Camshaft Position Timing Over-Retarded (Bank 2) – Here’s Why Your Engine Might Be Struggling

Look - when you see the OBD2 code P0022, it's a clear indicator that your engine's camshaft timing is off on Bank 2. This could mean a loss of power, reduced fuel efficiency, or even stalling. It's not just an inconvenience; if ignored, it can lead to severe engine damage. The camshaft is crucial for optimizing the air-fuel mixture, and when it's not in sync, your engine's performance suffers.

Don't just throw parts at the problem. You need to diagnose properly to avoid unnecessary expenses. The Mobile Master Mechanic app is your go-to for VIN-specific guidance that can help you pinpoint the issue based on your vehicle's exact specifications.

Symptoms

  • Reduced engine power and acceleration
  • Increased fuel consumption
  • Rough idle or stalling
  • Check Engine Light illuminated
  • Engine misfires
  • Unusual engine noises, like knocking or ticking
  • Difficulty starting the engine
  • Loss of engine responsiveness

Diagnostic order

  1. Check engine oil level and condition - should be between 5-30 PSI; low oil can cause timing issues.
  2. Inspect the VVT (Variable Valve Timing) solenoid - resistance should be between 10-20 ohms.
  3. Check for oil flow to the camshaft adjuster - ensure it’s not clogged; clear flow is essential.
  4. Examine wiring and connectors for damage or corrosion - look for frayed wires or loose connections.
  5. Verify camshaft timing with a timing light - should align with manufacturer specs at specified RPMs.
  6. Scan for other related trouble codes - other codes may provide additional clues.

Common questions

  • What causes P0022?

    It often results from oil flow issues, a faulty VVT solenoid, or a misaligned timing chain/belt.

  • Can I drive with P0022?

    Not recommended. It can lead to further engine damage if left unchecked.

  • How do I reset the P0022 code?

    After addressing the issue, use an OBD2 scanner to clear the code and reset the system.

  • What is the cost of fixing P0022?

    Costs can vary widely, typically between $150 to $1,000 depending on the root cause.

  • Will changing the oil help?

    Yes, dirty or low oil can cause timing issues. Regular oil changes can prevent problems.

  • What if I replace the VVT solenoid and the code comes back?

    Then it’s likely an issue with the timing chain or oil flow that needs further investigation.

  • Is this code common in all vehicles?

    Not necessarily; it’s more prevalent in vehicles with VVT systems, especially older models.

  • How can I tell which bank is Bank 2?

    On most V6 and V8 engines, Bank 2 is typically the side opposite the cylinder number one.

Vehicle-specific notes

  • Ford EcoBoost (1.5/2.0/2.3/3.5L): Often caused by a faulty VVT solenoid or oil flow issues.
  • GM 3.6 LFX: Timing chain wear can lead to misalignment, triggering P0022.
  • Honda K-series 2.0/2.4: Check for oil sludge build-up affecting VTC operation.
  • Subaru EJ20/FA20: Timing belt wear can cause camshaft timing discrepancies.
  • Hyundai/Kia Theta II 2.0/2.4 GDI: Oil passage blockages are common culprits.
  • BMW N20/N54/N55: These engines may throw P0022 due to VVT actuator issues.
  • Chrysler 3.6 Pentastar: Look for timing chain slack affecting camshaft position.
  • Nissan VQ35: Improper oil levels can cause VVT system failure.
  • VW/Audi 2.0T TSI: Check for faulty VVT solenoids or wiring issues.
  • GM 2.4 Ecotec: Timing chain tensioner failure often results in P0022.

Parts and cost ranges

  • VVT solenoid: $50 - $200
  • Timing chain/belt replacement: $300 - $1,500
  • Oil filter and oil change: $30 - $100
  • Wiring harness repair: $50 - $300
  • Diagnostic scan: $100 - $150

What people get wrong

  • Ignoring oil changes, leading to sludge buildup.
  • Assuming it’s just a sensor issue without checking for mechanical problems.
  • Replacing parts without confirming the root cause first.
  • Forgetting to check for related codes that could provide more insight.
  • Neglecting to inspect wiring and connectors that can affect solenoid function.

Related codes

If you're dealing with P0022, you might also want to check codes like P0011 and P0012, which relate to camshaft timing issues. These codes can give you a clearer picture of what's going on with your engine.

Stop throwing parts at your car. The Mobile Master Mechanic app walks you through the exact diagnostic for YOUR specific VIN - engine, year, trim, even mileage-specific known issues. Free download.

-- Hank, Master Mechanic at Mobile Master Mechanic

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