Codes 1401 and 1151

Eli

New member
96 Mark VIII having problems. This is an EEC-v car. Pulled codes p1401 and p1151, among others, and I would like to know what the manual says about them. If you could, would someone post a description for me? Thanks in advance.
 

Mad1stGen

Booster
P1401
Differential Pressure Feedback Electronic Sensor circuit High Voltage. This is a DPFE sensor error, also known as the EGR.
P1151
Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2. ????
 
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