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how many oxygen sensors are there on a 2008 saturn, 2 door hatchback?

Answers from the Automotive Experts

Jo An Holt, Automotive Journalist at Holt & Associates It depends on which model Saturn, if it is a V6 or a 4 cylinder. However, as a general rule there is usually one before the catalytic converter and one after it for each bank of cylinders.

Kristin Brocoff, Director of Corporate Communications at CarMD.com I spoke with CarMD's team of ASE-certified technicians. According to our data, your 2008 Saturn Astra should have two oxygen sensors. The front is located in the exhaust manifold. The rear is located in the exhaust pipe, downstream of the catalytic converter. Incidentally, "Replace Oxygen Sensor" is the no. 4 most common check engine-related repair on that vehicle, averaging about $176 in parts and labor when you have it repaired by a professional automotive technician. Best, Kristin Brocoff CarMD.com Corporation www.carmd.com

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