Sonata V6-3.3L (2006)
Oxygen Sensor: Technical Service Bulletins
Engine Controls - DTC P0300-P0306 Diagnostics
P0300-P0306 AND/OR FRONT OXYGEN SENSOR DTC
DESCRIPTION:
This bulletin provides diagnostic procedures for 2006- 2007 vehicles with 3.3L3.8L engines and the following DTC stored:
P0300-P0306 engine misfire DTC and Freeze Frame
Data Fuel Trim of at least - 20% indicating rich shift.
or any of the following 02 sensor DTC:
^
P01321P0152 - Front O2 sensor high voltage
^
P01331P0153 - Front O2 sensor slow response
^
P01341P0154 - Front O2 sensor no activity detected
^
P21961P2197 - Front O2 sensor stuck rich
^
P2A001P2A03 - Front O2 sensor no activity
NOTE:
The vehicle may also exhibit an intermittent hesitation when the engine is at operating temperature.
SERVICE PROCEDURE:
1. DTC P0300-P0306 Misfire but no O2 sensor DTC stored:
Inspect the Freeze Frame Data for either the Long Term
or Short Term Fuel Trim shifted -20% or more at a particular
bank. The following example illustrates the fuel
trim of -20% or more occurred at Bank-i only:
2. Inspect for any of the following Front O2 sensor DTC
stored:
^
Bank-1 Front O2 Sensor DTC:
^
P0132 - Front 02 sensor high voltage
^
P0133 - Front O2 sensor slow response
^
P0134 - Front O2 sensor no activity detected
^
P2196 - Front O2 sensor stuck rich
^
P2A00 - Front O2 sensor no activity
^
Bank-2 Front O2 Sensor DTC:
^
P0152 - Front O2 sensor high voltage
^
P0153 - Front O2 sensor slow response
^
P0154 - Front O2 sensor no activity detected
^
P2197 - Front O2 sensor stuck rich
^
P2A03 - Front O2 sensor no activity
3. Should either #1 or #2 condition be present replace the related Front O2 sensor at the applicable bank:
NOTE:
The following Rear 02 sensor DTC may have
set as a result of the Front 02 sensor:
^
P2270 Rear 02 sensor stuck lean (bank-1)
^
P2272 Rear 02 sensor stuck lean (bank-2)
Do not replace the rear 02 sensor
