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******Update*********
I started with the P0170 code which was identified as the O2 sensor on bank 1. I replaced the sensor and cleared the code. The SES light was off for about 500 miles now it is back on.
Now I'm getting the P0170 code and P0173 code.
I checked the rear intake hoses and they look fine. The car drives great... the SES is annoying.
Any ideas???
(2000 X5 4.4, 70,000 miles)
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