P0300 = Random Multiple Missfire Detected - Multi Cylinder Miss Fire Actually a failure not located in the cylinders, but on the ingnition or the fuel supply, or a very bad condition on the intake ( vaccum leak ) P0301 = Cylinder 1 missfire detected. P0306 = Cylinder 6 missfire detected. If you have all tree codes, start by checking the fuel delivery, fuel pressure, air intake, plug wires, plugs, vaccum leaks. Also could be a cracked head of a bad head gasked.
it is the completion of the codes
code 41 -1993 Plymouth voyager - Alternator Circuit
Trouble code P1391 means: Intermittent loss of CMP or CKP
Trouble code P1698 means: No CCD Messages Received From The TCM
Trouble code P1698 means: No CCD Messages Received From The TCM
Codes for a 1998 Plymouth Voyager can be reset, by a diagnostic code scanner, or by disconnecting the battery. If the code is still showing up, after work has been done on the vehicle to fix the code problem, the vehicle may need to go into a car dealership to ensure there are not other problems causing a wrong code to show up.
Loss of Camshaft or Crankshaft sensor read at the PCM.
I assume you have an electronic controled transmission. OBD II Code: P0755-----Shift Solenoid "B" Malfunction. Jim
P0300 = random misfire. Could be as simple as needing a tune up.
Trouble code P0340 means:Camshaft position sensor circuit malfunction
No vacuum change at the MAP sensor.
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