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2X Upstream Downstream O2 02 Oxygen Sensor for 2001-2003 Infiniti QX4 AA234-4713

$24.69

2002-2003 Infiniti QX4 3.5L. Can a bad O2 sensor cause loss of power?. Incorrect timing and fuel injection affect the fuel combustion responsible for efficiently running your vehicle. Inadequate combustion eventually translates to a lack of sufficient power for acceleration and other engine functions.

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