Trouble code P0131 means:O2 sensor circuit low voltage (Bank 1 Sensor 1)
Engine idling in park
Check Engine code of P0404 (EGR)
Battery disconnect or a scan tool.
You will have to check in with Dodge.
No, it will not, design is much too different to make it feasable. For a 2000 intrepid you must use a 1998-2001 engine. Check out dodgeintrepid.net for a ton of info on these cars.
You may need to replace the power control module.
disconnect battery for 30 seconds
Check the trans for codes with a scanner and diagnose the code you get.
Charging system failure:::,check alt.voltage regulator is inside engine controller
That is the check engine light, see related question below.
Check the keyswitch.
Valve clatter? Check oil level and pressure? Fuel mixture?