Pelican Parts Forums - Question on Coolant Temperature and Oil Pressure Sensor Replacement

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Recently replaced my thermostat housing. After driving around 20 miles, my CEL came On, p0597, p0173b,p122b. There are no leaks so I just checked the connector going to the ECT sensor and it's just 3.3V. Do you think there is a problem with my ECU? Where would you start if were to troubleshoot this problem? Thanks in advance.

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This post was auto-generated based upon a question asked on our tech article page here: MINI Cooper R56 Coolant Temperature and Oil Pressure Sensor Replacement (2007-2011) | Pelican Parts DIY Maintenance Article

The harness may be damaged. I would check voltage at the DME to confirm it is low as well.

- Nick