Question about Nissan Altima
The P1148 code means that the connection to the front sensor is shorted or open.
You may need to replace your O2 sensor.
If the O2 sensor has recently been replaced, check the connection or fuse of the sensor.
If the connection or fuse are Okay, then have Nissan reprogram the ecu with the latest program.
Posted on Aug 03, 2011
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Posted on Jan 02, 2017
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