Trouble code P0203 means: Injector Circuit / Open - Cylinder 3
Trouble code P0304 means:Cylinder 4 misfire detected
The trouble codes on an 1988 Dakota are two digit codes. Code 1 does not exist.
Trouble code P1391 means: Intermittent loss of CMP or CKP
Trouble code P0161 means:O2 sensor heater circuit malfunction (Bank 2 Sensor 2)
Trouble code P0441 means: EVAP Purge Flow Monitor Fault
Trouble code P0340 means:Camshaft position sensor circuit malfunction
Trouble code P1762 means: Governor pressure sensor offset improper voltage Replace the sensor
Trouble code P1391 means: Intermittent loss of CMP or CKP
Trouble code P0404 means:Exhaust gas recirculation circuit range/performance
Trouble code P1495 means: Leak detection pump solenoid circuit
Trouble code P0546 means:Exhaust gas temperature sensor circuit high (bank 1)