P0335 on a Subaru: Causes, Fixes & Repair Cost

⚠️ Severe · not recommended to drive

The boxer engine may crank without starting or stall, so have the Subaru towed rather than driven.

What P0335 means on a Subaru

On a Subaru, P0335 means the engine computer has lost the crankshaft position signal it needs to run the engine. The boxer engine may crank without starting or stall, so the car should be towed rather than driven.

Is P0335 common on Subarus?

Subaru crankshaft position sensors can fail with age on models like the Outback, Forester, and Impreza. The sensor sits low near the crankshaft pulley, where oil and debris can affect the connector.

Commonly reported on: Outback, Forester, Impreza, Legacy.

Symptoms

Engine cranks but won't start
Engine stalls while driving
Check engine light is on
No spark from the ignition system

Common causes

most common: Failed crankshaft position sensor
common: Oil or debris on the sensor connector
common: Damaged wiring near the crankshaft pulley
less common: Loose sensor mounting changing the gap

How to fix it

Fix	DIY?	Typical cost
Clean the connector, then replace the sensor if the code returns	Yes	$50–190
Repair damaged wiring or the sensor connector	Yes	$20–150
Have a shop replace the sensor and verify the signal	Mechanic	$150–400