Specifications

Symptom List:
P2026-O2 SENSOR CIRCUIT FAULT
P2026-O2 SENSOR CIRCUIT OPEN CIRCUIT
P2026-O2 SENSOR CIRCUIT SIGNAL VOLTAGE TOO HIGH
P2026-O2 SENSOR CIRCUIT SIGNAL VOLTAGE TOO LOW
P2028-O2 SENSOR CIRCUIT FAULT
P2028-O2 SENSOR CIRCUIT OPEN CIRCUIT
P2028-O2 SENSOR CIRCUIT SIGNAL VOLTAGE TOO HIGH
P2028-O2 SENSOR CIRCUIT SIGNAL VOLTAGE TOO LOW
P2032-O2 SENSOR PLAUSIBILITY
P2032-O2 SENSOR PLAUSIBILITY
P2032-O2 SENSOR PLAUSIBILITY
P2057-O2 SENSOR SIGNAL CIRCUIT SIGNAL VOLTAGE TOO HIGH
P2058-O2 SENSOR SIGNAL CIRCUIT SIGNAL VOLTAGE TOO HIGH
P2059-O2 SENSOR SIGNAL CIRCUIT SIGNAL VOLTAGE TOO HIGH
P2090-O2 SENSOR PLAUSIBILITY
P2090-O2 SENSOR SIGNAL FAULT
P2091-O2 SENSOR LOW O2 CONCENTRATION
P2091-O2 SENSOR SIGNAL PLAUSIBILITY
P2195-O2 SENSOR HEATER CIRCUIT FAULT
P2353-O2 SENSOR PLAUSIBILITY
P2366-O2 CIRCUIT FAULT
Test Note: All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P2026-O2 SENSOR CIRCUIT
FAULT.
POSSIBLE CAUSES
CHECKING CIRCUIT INTEGRITY
ECM
O2 SENSOR
O2 SENSOR CIRCUIT SHORT TO GROUND
O2 SENSOR CIRCUIT SHORT TO VOLTAGE
O2 SENSOR CIRCUIT SHORT TOGETHER
O2 SENSOR OPEN CIRCUIT
POWER SUPPLY OPEN
INTERMITTENT CONDITION
134
DRIVEABILITY - DIESEL