P00e1 engine code

do an online search of obdll codes and also obdll codes [your make of vehicle ] their are also specific codes just for certain vehicle makes

Question edited for clarity.
Question moved to sub category.

It sounds like you are in Limp Mode. Check for DTC Codes on a professional grade scan tool computer. It will show the diagnostics and the codes show the fix.

Most Complete List For Nissan Check Engine Light Codes

https://www.engine-light-help.com > nissan-check-engi...
More than just a list of Nissan Check Engine Light Codes! ... Below you will find the most complete list of Nissan trouble codes available.

Nissan Maxima OBDII Codes Meaning ' Engine-Codes.com ' P1

https://www.engine-codes.com > model > maxima
Description, Diagnostic and Repair Information for Nissan Maxima OBD2-OBDII Engine Codes ' Engine-Codes.com ' Page 1.

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  Nissan OBD2-OBDII Codes Definition, Description and Repair

  https://www.engine-codes.com > make > nissan
  Browse NISSAN codes by model and year · B0001 NISSAN 11,966 Views. Driver Air Bag Module · B0002 NISSAN 5,433 Views. Driver Air Bag Module · B0010 NISSAN 5,316 ...

What year is the caddy ? power reduced message DTC'S -diagnostic trouble codes are stored in PCM - BCM memory . Your best bet , take it to a qualified repair shop. ENGINE POWER REDUCED
Refer to Throttle Actuator Control (TAC) System Description for the 2.8L engine, Throttle Actuator Control (TAC) System Description for the 3.6L engine or to Throttle Actuator Control (TAC) System Description for the 5.7L engine

Error Code: C1201.
Description: Engine Control System Malfunction.
Trouble area:
- Inspect engine control system.
- Wiring.
- ECM.
Error Code C1422.
Description: Master Cylinder Pressure Sensor Zero Point High Malfunction.
Trouble area:
- Stop light switch Stop light switch circuit
- Master cylinder pressure sensor circuit
- Brake actuator assembly (Master cylinder pressure
sensor).

Did you replace the right one ? This code does not necessarily mean the O2 sensor is bad . The code description say O2 heater " CIRCUIT " bank 1 sensor 2 Did you check the wiring , the fuse ?
P0141 - O2 Heater Circuit (Bank 1, Sensor 2) Description: See the description for DTC P0135. Possible Causes: See the possible causes for DTC P0135. Diagnostic Aids: See the diagnostic aids for DTC P0135. Application Key On Engine Off Key On Engine Running Continuous Memory All GO to Pinpoint Test DW . P0135 - O2 Heater Circuit (Bank 1, Sensor 1) Description: During testing the heated oxygen sensor (HO2S) heaters are checked for open and short circuits and excessive current draw. The test fails when the current draw exceeds a calibrated limit or an open or short circuit is detected. Possible Causes:

• Vacuum hose disconnected on exhaust gas recirculation (EGR) system module (ESM) applications
• Short to VPWR in the harness or HO2S
• Water in the harness connector
• Open VPWR circuit
• Open GND circuit
• Low battery voltage
• Corrosion or incorrect harness connections
• Damaged HO2S heater

Diagnostic Aids: Check the HO2S electrical connector for damage, corrosion, and water intrusion.
Damaged HO2S heater. Application Key On Engine Off Key On Engine Running Continuous Memory All GO to Pinpoint Test DW .

Here is a thread at a Nissan forum that covers this as it happens often.

2005 Altima P0335 and P0725 errors Nissanhelp com Forums

Error Code: P0404
Fault Location:
Exhaust Gas Recirculation (EGR) System - Range/Performance Problem
Causes:
-Hose leak/blockage.
-Wiring harness.
-Exhaust gas recirculation (EGR) valve/solenoid.
Error Code: P0473
Discription:
Exhaust Gas Pressure Sensor - High Input
Causes:
- Wiring short to positive.
- Exhaust gas pressure sensor (G450).
- Engine control module (ECM).
Error Code: P0674
Description:
Glow Plug Cylinder 4 Circuit - Circuit Malfunction
Causes:
-No Pre-Glow Period.
-Poor Cold Starting.
-Glow Plug Wiring faulty.
-Poor connection.
-Relay.
-Glow plug control module.
-Glow Plug faulty.
-Engine control module (ECM).
Solutions:
Check Glow Plug Wiring.
Check Glow Plug.
Error Code: P0675
Description:
Glow Plug Cylinder 5 Circuit - Circuit Malfunction
Causes:
-No Pre-Glow Period.
-Poor Cold Starting.
-Glow Plug Wiring faulty.
-Poor connection.
-Relay.
-Glow plug control module.
-Glow Plug faulty.
-Engine control module (ECM).
Solutions:
-Check Glow Plug Wiring.
-Check Glow Plug.

Error Code: P0301
Description:
Cylinder 1 - Misfire Detected
Possible Cause:
Wiring.
Ignition system.
Fuel injectors.
Fuel pressure.
Running out of fuel.
EVAP canister purge valve.
Evaporative emission system.
Low compression.
Base engine problems.
Engine control module (ECM).

Error Code: P0302
Description:
Cylinder 2 - Misfire Detected
Possible Cause:
Wiring.
Ignition system.
Fuel injectors.
Fuel pressure.
Running out of fuel.
EVAP canister purge valve.
Evaporative emission system.
Low compression.
Base engine problems.
Engine control module (ECM).

Error Code: P1300
Description: Random Misfire
Possible Cause:
As above.

The code reader I have gives me the description to the code being displayed and as you said Midas checked it, they should have given you a description also.

check engine light means your vehicle s computer detects an electrical malfunction. If you take to auto zone they can scan your vehicle and get a code description. I can give you more info you get me a code description. also make sure your gas cap is tight.