How to service and repair the oxygen sensor on GMC Jimmy?

The j 39194 Oxygen Sensor wrench (J 39194) serves for taking out the Oxygen Sensor for servicing. Treat the Oxygen Sensor with extreme care by completely avoiding contact with cleaning solvents or grease or dirt because such substances could degrade the sensor function. Keep the pigtail attached to the heated Oxygen Sensor (HO2S) as well to the Oxygen Sensor (O2S). Also check that all wiring and connector systems remain intact without any damage since sensor replacement will be needed in case of any damage. The removal of the sensor ground wire can cause the engine to perform poorly therefore it needs to be kept intact. Work on the ho2s sensor only when the engine reaches 48°c (120°F) because lower temperatures could harm Exhaust Manifold and pipe threads. To begin the replacement task you should start by disconnecting the negative Battery Cable followed by finding the ho2s and proceeding to raise the vehicle and disconnect the ho2s harness connector. Remove the ho2s using the tool designated j 39194 (J 39194). Before installing the ho2s apply anti-seize compound to the sensor threads if needed followed by tightening the ho2s to 42 n.m (31 lb ft). After lowering the vehicle the ho2s harness connector can be reconnected followed by negative Battery Cable reinstallation.

OEM GMC Jimmy Oxygen Sensor

Oxygen O2 Sensor

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5 Oxygen Sensors found

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GMC Jimmy Oxygen Sensor Part Number: 19178930
$66.41 MSRP: $134.88
You Save: $68.47 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Front Oxygen Sensor
- Replaces: 25312184, 25165313, 25171579
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995 GMC Jimmy | Base, SL, SLE, SLS, SLT | 6 Cyl 4.3 L GAS
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GMC Jimmy Oxygen Sensor Part Number: 19178918
$70.38 MSRP: $142.96
You Save: $72.58 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Replaces: 25163079, 25312200
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2001 GMC Jimmy | Base, Diamond Edition, Envoy, SL, SLE, SLS, SLT | 6 Cyl 4.3 L GAS
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GMC Jimmy Oxygen Sensor Part Number: 25176708
$55.59 MSRP: $112.89
You Save: $57.30 (51%)
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Product Specifications
- Other Name: Sensor Assembly, Oxygen; Sensor, Computer Control Sensors
- Replaces: 10096129
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1993 GMC Jimmy | Base, SLE, SLS, SLT | 6 Cyl 4.3 L GAS
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GMC Jimmy Oxygen Sensor Part Number: 19178959
$62.85 MSRP: $127.64
You Save: $64.79 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Replaces: 25165312, 25312179
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995 GMC Jimmy | Base, SL, SLE, SLS, SLT | 6 Cyl 4.3 L GAS
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GMC Jimmy Oxygen Sensor Part Number: 19211437
$19.00 MSRP: $33.92
You Save: $14.92 (44%)
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Sensor, Emission Control Sensor(Vehicle Speed); Sensor, Emission Control Sensor(Oxygen)
- Replaces: 19178952, 25171573, 25166816, 25171574, 25162693, 25106073, 25107378, 25165118, 25171581, 25132068, 25165120, 25162600, 19178953, 19178943, 25133185, 25133076, 19178919, 25162753
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994 GMC Jimmy | Base, SLE, SLS, SLT | 6 Cyl 4.3 L GAS

GMC Jimmy Oxygen Sensor

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In the GMC Jimmy cars, the Oxygen Sensor serves to keep track of the air and fuel in the engine exhaust in request to provide better results in performances and also the minimization of emissions. According to the difference between the oxygen content in the exhaust and that in the air, the sensor produces voltage signal which enable the internal computer of the car engine to regulate the pulse width of fuel injector. This feedback loop runs in "closed loop" and maintains the catalytic converter efficiency and the degree of exhaust emission to the barest minimum. Normally, GMC Jimmy vehicles should have a minimum of 2 oxygen sensors, which are used commonly as the upstream feedback supplier, located before the catalytic converter and the other after the latter. It is located on parts of the car that can get very hot, and like any filter, it gets clogged up over time and needs to be cleaned out, although if it gets too dirty it must be replaced entirely, causing more fuel to be burned and emitted into the environment. Well, some of the new vehicles may be incorporating air/fuel ratio sensors in place of oxygen sensors, hence providing broader range of characterization on air/fuel mixture.

GMC Jimmy Oxygen Sensor Parts Questions & Experts Answers

Oxygen Sensor
19178918
Q: How to service and repair the oxygen sensor on GMC Jimmy?
A:
The j 39194 Oxygen Sensor wrench (J 39194) serves for taking out the Oxygen Sensor for servicing. Treat the Oxygen Sensor with extreme care by completely avoiding contact with cleaning solvents or grease or dirt because such substances could degrade the sensor function. Keep the pigtail attached to the heated Oxygen Sensor (HO2S) as well to the Oxygen Sensor (O2S). Also check that all wiring and connector systems remain intact without any damage since sensor replacement will be needed in case of any damage. The removal of the sensor ground wire can cause the engine to perform poorly therefore it needs to be kept intact. Work on the ho2s sensor only when the engine reaches 48°c (120°F) because lower temperatures could harm Exhaust Manifold and pipe threads. To begin the replacement task you should start by disconnecting the negative Battery Cable followed by finding the ho2s and proceeding to raise the vehicle and disconnect the ho2s harness connector. Remove the ho2s using the tool designated j 39194 (J 39194). Before installing the ho2s apply anti-seize compound to the sensor threads if needed followed by tightening the ho2s to 42 n.m (31 lb ft). After lowering the vehicle the ho2s harness connector can be reconnected followed by negative Battery Cable reinstallation.