Dodge ZB 2005 Service Manual page 1186

P0133-O2 SENSOR 1/1 SLOW RESPONSE —
TEST
4 Turn the ignition off.
While backprobing, measure the voltage of the (K900) Sensor ground circuit between
the O2 Sensor harness connector and PCM harness connector.
NOTE: Ensure the voltmeter leads meet the terminals in the connector and
that there is good terminal to wire connection.
NOTE: Ensure the voltmeter leads are connected for positive polarity
Start the engine.
Allow the engine to idle.
Is the voltage below 0.10 of a volt?
Yes → Go To 5
→ Repair the excessive resistance in the (K900) Sensor ground
No
NOTE: Turn the ignition off before continuing.
5 If there are no possible causes remaining, view repair.
Repair
ACTION
circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Replace the O2 Sensor
Perform POWERTRAIN VERIFICATION TEST VER - 5.
DRIVEABILITY - GAS
Continued
65
APPLICABILITY
All
All