Question 1

What does P1326 mean?

Accepted Answer

P1326 - Knock Sensor Detection System — Abnormal Knock. Hyundai/Kia specific: KSDS detected abnormal engine knocking indicating possible connecting rod bearing failure in Theta II and Nu engines. SAFETY RECALL related.

Question 2

What are the symptoms of P1326?

Accepted Answer

Check engine light, Engine knocking/ticking, Reduced power (limp mode), Engine may seize, Oil consumption

Question 3

What causes P1326?

Accepted Answer

Connecting rod bearing wear/failure, Metal debris in oil, Manufacturing defect (recall), Low oil level, Oil starvation

Question 4

How much does it cost to fix P1326?

Accepted Answer

Typical repair cost: $0 (recall) or $4,000-$8,000. SAFETY RECALL CODE. Contact Hyundai/Kia dealer IMMEDIATELY. Engine replacement covered FREE under recall campaigns. DO NOT keep driving — engine can seize without warning.

P1326 — Knock Sensor Detection System — Abnormal Knock

Don't guess — diagnose P1326 the right way

Common symptoms of P1326

Common causes of P1326

Repair cost & difficulty

Vehicles commonly affected

Related trouble codes