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2018–2018 Subaru Crosstrek: Loss of power (aluminum PCV valve separation recall)

Likely causes, ranked

  1. Aluminum PCV valve separating inside$0–$0Shop

Real-owner fix counts will appear here as reports come in.

DIY or shop: See DIY or shop section

Parts to check

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Symptom: A sudden loss of power while driving, sometimes after a PCV-related failure with little other warning.

Likely causes

  1. Aluminum PCV valve separating inside. Subaru replaces the PCV valve or the engine if debris cannot be accounted for.

DIY or shop?

Dealer. Recall repairs are free.

Useful steps

  1. Check your VIN for 19V744.
  2. If power drops suddenly, get somewhere safe and have it towed.

Vehicle focus: 2018–2018 Subaru Crosstrek.

Safety / mechanic note

Unexpected loss of power increases crash risk. Verify with a mechanic or dealer.

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Recalls & service bulletins

Recalls

  • 19V744000 2019-10-17 2018 Crosstrek and 2017–2018 Impreza with an aluminum PCV valve: the valve may come apart so pieces enter the engine and cause a loss of power. Dealers inspect and replace the PCV valve; if pieces cannot be found, the engine is replaced. Details

NHTSA complaints: 40 keyword-matched complaints for Subaru CROSSTREK 2018–2018 (of 195 unique complaints queried, NHTSA complaints API by model year, queried 2026-10-16).

Always check your VIN for open recalls at nhtsa.gov/recalls.

Sources

What actually fixed it?

Had this problem? Tell other owners what the real fix was. Reports are counted above; we never show made-up numbers.

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