OBD Guide
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P0011

ACamshaft Position - Timing Over-Advanced or System Performance (Bank 1)

P0011 is an OBD-II diagnostic trouble code meaning: ACamshaft Position - Timing Over-Advanced or System Performance (Bank 1). Common causes: dirty or faulty vvt valve (solenoid), low oil pressure or contamination. Estimated repair cost: $89–500.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$89–500 (est.)

Symptoms

  • Increased fuel consumption
  • Reduced engine power
  • Unstable idling
  • Difficulty starting the engine
  • Metallic knock in the timing belt area
  • Check Engine indicator on the instrument panel

Causes

  • Dirty or faulty VVT valve (solenoid)
  • Low oil pressure or contamination
  • Worn or stretched timing chain
  • Camshaft position sensor malfunction
  • Clogged oil channels of the VVT system
  • Using the wrong type of engine oil
  • Engine control unit (ECU) malfunction

How to Fix

  1. Check the level and quality of the engine oil, replace if necessary
  2. Diagnose VVT valve operation using a scanner
  3. Check electrical connections and wiring of VVT valve
  4. Clean or replace phase change control valve
  5. Check the condition of the timing chain/belt and tensioner
  6. Diagnose camshaft and crankshaft position sensors
  7. Flush the oil passages of the VVT ​​system
  8. If necessary, replace the timing chain and related components.

Related codes

P0010P0012P0013P0020P0021P0340P0341

Error P0011 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0011 code mean?

P0011 is an OBD-II diagnostic trouble code that indicates: ACamshaft Position - Timing Over-Advanced or System Performance (Bank 1)

What causes a P0011 error code?

The most common causes of P0011 include: Dirty or faulty VVT valve (solenoid); Low oil pressure or contamination; Worn or stretched timing chain; Camshaft position sensor malfunction.

How do I fix a P0011 diagnostic trouble code?

To fix P0011: Check the level and quality of the engine oil, replace if necessary. Diagnose VVT valve operation using a scanner. Check electrical connections and wiring of VVT valve. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0011?

Limited driving only, diagnose soon

How much does it cost to fix P0011?

The estimated repair cost for P0011 is $89–500. Actual cost depends on your vehicle, location, and labor rates.

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