1997 Jeep Wrangler Oxygen Sensor Wiring Diagram. Those first 20 seconds the O2 sensor input is not used for the fuel injector pulse calculations and the system will be in open loop. Dtc 21-Oxygen Sensor 02S Monitor.
Those first 20 seconds the O2 sensor input is not used for the fuel injector pulse calculations and the system will be in open loop. A HEGO sensor is a voltage generator that is in the exhaust system installed between the manifold and the catalytic converter. 1993-1995 Oxygen O2 Sensor Wiring Diagram Jeep 40L.
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Front exhaust manifold after catalyst. Please right click on the image and save the graphic. Could not find it so I decided to create one. 1997 Jeep wrangler with the 25 liter engine and I need to know As i was inspecting the wire harness for the Upstream O2 sensorthe one on the exhaust manifold seems it has been fixed before.