P051F
PCV Filter Restriction
Severity
⚠️ MediumCan you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)
Symptoms
- Increased oil consumption
- Unstable idle
- Reduced engine power
- Appearance of oil in the intake manifold
- Check Engine Light Illuminates
Causes
- PCV filter dirty
- Crankcase ventilation system clogged
- Mechanical damage to the PCV filter
- Using low-quality oil or not replacing it in a timely manner
How to Fix
- Diagnose the PCV system
- Stop the engine and let it cool down
- Remove and inspect the PCV filter
- Replace a dirty or damaged PCV filter
- Check the condition of the oil and replace if necessary
- Clean the crankcase ventilation system
- Reset the error code and check if it appears again
Related codes
Error P051F by Vehicle Brand
AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye