Severity: Fix within days. Drive with caution and watch for new symptoms.
The knock sensor on bank 1 is sending a stronger signal than expected, which the computer may read as constant knocking and respond to by cutting power.
Check the wiring for shorts and the sensor mounting, then replace the sensor if the reading stays high.
The engine may lose power as the computer retards timing. Drivable with care.
You can drive short distances carefully; watch for worsening symptoms. The engine may lose power as the computer retards timing. Drivable with care.
The most common causes are: Failed knock sensor; Shorted wiring; Engine noise from worn parts; Sensor over-torqued. A scan tool and a visual check of the parts above is where a technician starts.
Check the wiring for shorts and the sensor mounting, then replace the sensor if the reading stays high.
