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My engine light is on and also have a code that says possible fault are the Mass air flow sensor or o2 sensor faulty. Which should i suspect first?
U1900: Try to check fuse #11, 10 amp: Speedo bounce, ABS light, Cruise control inop;
is there anything weird going on with your cluster?
what are the other codes? the U1900 may be there due to the other codes