P0326 fault code: what it means

P0326: Knock sensor 1 signal out of range. On Hyundai engines rule out real bearing knock before fitting a sensor.

Engine and gearbox (powertrain) · Minor

Usual causes, most likely first

faulty knock sensor or connector
damaged knock sensor wiring
genuine engine knock from bearing wear (check for P1326)

P0326 by make

Hyundai

Knock sensor 1 signal out of range. On Hyundai engines rule out real bearing knock before fitting a sensor.

Usual causes: faulty knock sensor or connector; damaged knock sensor wiring; genuine engine knock from bearing wear (check for P1326)

Kia

Knock sensor 1 signal out of range. Rule out real bearing knock before fitting a sensor.

Usual causes: faulty knock sensor; wiring or connector corrosion; genuine engine knock from bearing wear (check for P1326)

What the repair usually costs

Engine replacement, used import engine (4-cylinder)NZ$2,550–NZ$6,690 · A$2,440–A$6,250
Engine replacement, reconditioned engine (4-cylinder)NZ$5,570–NZ$10,560 · A$5,070–A$9,720

Not sure what P0326 means on your car? Ask Credov.

Before you clear it

Write the code down or photograph the scanner first. A code that comes straight back after clearing points to a fault that is still there. A car whose codes were cleared just before you arrived may be hiding one: the scanner's readiness monitors show "not ready" for a while after codes are cleared.

Researched by Credov from manufacturer and workshop sources. A fault code points to where a fault may be; a workshop confirms it with a diagnosis. Browse all fault codes.