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Fault code P0037

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Old 05-22-2009, 04:16 PM
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paul, bank 1-sensor 2 is the downstream O2 sensor for the set of cylinders nearest the radiator. So, open the hood, follow the exhaust manifold down. You will see an O2 sensor near the motor. This is the upstream sensor. Keep following the exhaust down, go past the catalytic converter and the next piece that you see sticking out the side of the exhaust pipe will be the sensor you are after. I would first check the wiring to make sure that you haven't managed to damage the wiring. After that, replace the sensor. Odds are that will fix your problem.

If you need more help, just hollar.
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Old 08-20-2010, 03:10 PM
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Default Poo37 code

I have this problem also my car is a x type 2.1 petrol 2003 i changed the downstream sensor and cleared code but the code still keeps coming back . How many downstream sensors are there on my car
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