How do you fix error code 42 in a 1998 dodge neon?
Code 42 points to the following problems in a 1998 Neon. It
could be one or more of these issues. P1282 - Fuel Pump Relay
P1388 - ASD Relay Control Circuit
P1389 - No ASD Relay Output Voltage At PCM
P0460 - Fuel Level Sending Unit & Circuit, No Change Over
P0462 - Fuel Level Sending Unit Voltage Out Of Limits, Too
P0463 - Fuel Level Sending Unit Voltage Out Of Limits, Too High
You will need to have the car scanned for DTCs (Diagnostic Trouble
Codes) by a shop or parts store with an OBDII reader to determine
which problem is causing the car to give error code 42.