Chrysler Repair: Dodge intrepid, fuel pump relay, oil sending unit

Question
Hi, actually i have two questions. One where is the oil sending unit located on the 99 2.7 motor and two i had my car scanned on the computer because my check engine light was on and it came up running rich on bank one and bank two. what could be causing the issue that might need replaced?

Answer
pass side of motor abobe the oil pan.



POSSIBLE CAUSES
ENGINE MECHANICAL PROBLEM
FUEL FILTER/PRESSURE REGULATOR (HIGH)
FUEL PUMP CAPACITY (VOLUME) OUT OF SPECS
HIGH RESISTANCE IN THE FUEL PUMP RELAY OUTPUT CIRCUIT
FUEL PUMP INLET STRAINER PLUGGED
TPS VOLTAGE CHANGE NOT SMOOTH
TPS VOLTAGE GREATER THAN 0.92 VOLTS WITH THROTTLE CLOSED
HIGH RESISTANCE IN THE FUEL PUMP GROUND CIRCUIT
FUEL PUMP MODULE
KINKED/RESTRICTED FUEL SUPPLY LINE
ECT SENSOR (OUT OF CALIBRATION)
MAP SENSOR (OUT OF CALIBRATION)