Question about 2000 Volvo S80
2001 Volvo S80 T-6 @ 140,000 jumps as if shifting when cruising along at 35-55mph. OBD codes PO236 and PO237 are set, Turbo boost pressure sensor. The turbo control valve was swapped with a known good one and the symptom did not change. The S80 turbo control valve was installed in a car without symptoms and it remained symptom free.
Where are the boost pressure sensors and what condition might set this code? Are these a 0-5V pressure sensor like the one used as the manifold pressure sensor? Is it likely that this sensor has gone bad due to old age as with many others do?
Thanks in advance for the help.
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Posted on Jan 02, 2017
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