Under the dash on the left side.
The 1995 Dodge Intrepid does not have and ODB2 port, the Intrepids didn't introduce ODB2 until 1996.
Trouble code P0118 means:Engine coolant temperature circuit high input
Trouble code P1491 means: Radiator fan relay control circuit
Trouble code P0121 means: Throttle Position Sensor Voltage Does Not Agree With Map Sensor
In your case for a 97 its hidden in the middle console in back of the astray. http://www.fixexpert.com/wiki/odb2.php?page=odb2&id=19737 (a picture is worth a 1000 words) http://www.fixexpert.com/obd2/data/honda/accord/1997.jpg If you wish to look up others OBDII port locations for other vehicles try the main link at: http://www.fixexpert.com/wiki/OBD-2+Location Good Luck.
If it is a 1996 or later.
THE LIGHTER AND ODB2 USE THE SAME FUSE. CHECK TO SEE THAT THE FUSE IS NOT BLOWN.
The ODB2 scanner port is located on the passenger side of dashboard console. Left of the glove box. It's a 'D' shaped female port.
On the left side of the driver just above the foot brake pedal about 2 inches inside the dash cover. It may have a black cover on it saying ODB2
Under the dash board on the driver side. Close to the hood release. Looking up from the brake pedal, you will see a white OBD2 port. http://www.fixexpert.com/wiki/odb2.php?page=odb2&id=20532 For a real picture see link http://www.fixexpert.com/obd2/data/toyota/camry/1999.jpg All that is available online at the Car wiki repair site; http://www.fixexpert.com/wiki/OBD-2+Location
port should be under dash
obd2 plug location 1998 preludeit's locatede on the passanger side on the right hand side of the console under a removable carpet peice below the stereo Here's a chart and picture location of the obd2 connector;http://www.fixexpert.com/wiki/odb2.php?page=odb2&id=19746http://www.fixexpert.com/obd2/data/Honda/prelude1997.jpgIf you wish to look up others OBDII port locations for other vehicles try the main link at:http://www.fixexpert.com/wiki/OBD-2+LocationGood Luck.