2001 Mercury Cougar

2001 MERCURY COUGAR
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BEEFALO147
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2001 Mercury Cougar 6 cyl Two Wheel Drive Automatic

My check engine light came on and I got a diagnostic test done at autozone and it said its oxygen sensor bank 1, sensor 2 and I can't seem to find it. Code P0136
Mar 20, 2009 at 11:38 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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BLUELIGHTNIN6
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The oxygen sensors are located underneath vehicle, attached to exhaust system. Bank 1 refers to the side of the engine with the number 1 cylinder. Follow the exhaust down from that side to find the correct O2 sensor. Sensor 2 refers to the sensor downstream of the catalytic converter.





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Mar 20, 2009 at 2:29 PM
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BEEFALO147
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How would I go about getting at the sensor. It's between the engine and the firewall and I can't seem to get a wrench in there to take the old one out and put the new one in.
Mar 20, 2009 at 4:03 PM
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BLUELIGHTNIN6
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You may have to remove other components if you have no other way to access it. Try removing the simplest things first such as components only held on by a couple of bolts..







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Mar 20, 2009 at 5:13 PM