i have these four reoccuring faults
they are
1620=map cooling control
0171=system bank running lean bank 1
0174=system bank running lean bank2
0160=o2 sensor circuitno activity detected
these mean nothing to me .who much with these cost me to repair?

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Black 3.0 x5 lhd auto ......
big 4 port exhaust......
m3 smg steering wheel......
black kidney grills,black rear lights......
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