SOURCE: where are bank 1 sensor 1, bank 2 sensor 1, bank 1
bank one sensor 1 is the bank of cylinders that number 1 spark plug is located in, bank 2 the other side, this assumes u have a V8, the sensor one location is the sensors that are BEFORE THE CATALYTIC CONVERTER, the sensors referred to as sensor 2 are after the ones AFTER THE CATALYTIC CONVERTER IN THE EXHAUST SYSTEM.
SOURCE: more 99 cougar problems
there is a fuse for the o2 heaters if one of the sensors blew the fuse they will all be out
SOURCE: Ford Windstar 1996 Trouble Codes P0171, P0141, P0161, and P0174
Bank one is toward the front of the vehicle. Sounds like the heated oxygen sensors have gone bad. The Oxygen Sensors are located in the exhaust pipe and require a special socket to remove and replace.
SOURCE: Where Are The sensor Banks On The 2004 GC
Grand Cherokee oxygen sensor locations for 4.0
and 4.7 engines
Four wires (circuits) are used on each O2 sensor:
O2S Sensor removal
Never apply any type of grease to the oxygen
sensor electrical connector, or attempt any soldering of the sensor
wiring harness.
WARNING: THE EXHAUST MANIFOLD, EXHAUST PIPES AND
CATALYTIC CONVERTER(S) BECOME VERY HOT DURING ENGINE OPERATION. ALLOW
ENGINE TO COOL BEFORE REMOVING OXYGEN SENSOR.
1. Raise and support vehicle.
2. Disconnect O2S pigtail harness from main
wiring harness.
3. If equipped, disconnect sensor wire harness
mounting clips from engine or body.
CAUTION: When disconnecting sensor electrical
connector, do not pull directly on wire going into sensor.
4. Remove O2S sensor with an oxygen sensor
removal and installation tool.
02S Sensor installation
Threads of new oxygen sensors are factory coated
with anti-seize compound to aid in removal. DO NOT add any additional
anti-seize compound to threads of a new oxygen sensor.
1. Install O2S sensor. Tighten to 22 ft. lbs. (30
N·m) torque.
2. Connect O2S sensor wire connector to main
wiring harness.
3. If equipped, connect sensor wire harness
mounting clips to engine or body. When Equipped: The O2S pigtail harness
must be clipped and/or bolted back to their original positions on
engine or body to prevent mechanical damage to wiring.
Hope thats help (remember comment and rated this).
SOURCE: I need to know which O2 sensors are which: Bank 1
bank one upstream oxygen sensor on exhaust manifold bank two oxygen sensor after catalytic converter.tell me what code you are getting.bank 1 sensor 1 fuel system is too rich fuel pressure too high fuel pressure regulator leaking or more than 1 fuel injector leaking. fuel contaminated.check spark plugs if black carbon color fuel system too rich. if you getting code bank 1 sensor 2 check for air leaks in the exhaust system, air leaks intake manifold.look for vacuum lines leaks,look for vacuum leaks pcv valve and hose and make egr valve not stuck open or gasket leak.
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