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Where is h02 sensor on 99 4cl. camry - 1997 Saturn SL

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Although the picture is of a 6 cly model the location is the same HO2 sensors are mounted in the exhaust system before and after the catalyst HO2..1 is the up stream Before the cat and HO2...2 is down stream of the cat if your code is bank one sensor 1 its the upstream and bank one sensor 2 is the downstream

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Posted on Jan 04, 2013

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What are codes p0101 & p1153

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    Check engine light is on, says O2 sensor, If i change this, will it rally fix the problem? A guy at saturn said they dont ever really go out, so I changed the wiring, and it made no difference.

    In most cases yes. Replace the sensor and it should resolve the issue. There is no real way to bypass this sensor by switching wires around.

    Nov 19, 2010 | 1999 Saturn SL

    1 Answer

    How to replace the oxygen sensor

    Removal & Installation Upstream HO2 S1 To Remove:
    NOTE: If the engine temperature is lower than 120 °F (48 °C), the HO2 S1 sensor may be difficult to remove. Excessive force could possibly damage the threads in the exhaust manifold.
    1. If necessary remove the fuel injector cover.
    2. Disconnect the HO2 S1 sensor electrical connector.
    3. Using an oxygen sensor removal tool carefully remove the heated oxygen sensor.
    To Install:
    1. Coat the threads of the oxygen sensor with anti-seize compound
    2. Install the HO2 S1 sensor. Tighten the HO2 S1 sensor to 30 ft lb (41 Nm).
    3. Connect the HO2 S1 sensor connector.
    4. If removed, install the fuel injector cover.
    Downstream HO2 S2 To Remove:
    NOTE: If the engine temperature is lower than 120 °F (48 °C), the H02 S2 sensor may be difficult to remove. Excessive force could possibly damage the threads in the exhaust pipe.
    1. Raise and safely support the vehicle.
    2. Disconnect the H02 S2 electrical connector.
    3. Using an oxygen sensor tool carefully remove the H02 S2.
    To Install:
    1. Coat the threads of the H02 S2 with anti-seize compound.
    2. Using an oxygen sensor tool install the H02 S2. Tighten the sensor to 30 ft lb (41 Nm).
    3. Connect the H02 S2 sensor electrical connector.
    4. Lower the vehicle.
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    Oct 07, 2010 | 2001 Buick Regal

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    If you're O2 sensor is gone will you use more fuel for my 2004 neon sx2


    Oct 05, 2009 | 2004 Dodge Neon

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