P0300,p0301,p303,p305 p306 and p0340 and p1391 codes are all appearing on obdII reader. rough idle and won't start in rain. 1997 dodge ram 3.9 liter 2wd

There is an issue with one bank of pistons, 4, 5 & 6.
Probably an injector issue.
Always fit OEM parts.

Change...distributor cap ..spark plug wires or spark plugs

P0300 is the random misfire code. P0301 is the misfire code for Cylinder #1. When was your last tune up? non platinum spark plugs should be replaced around 30-60k along with the wires. With platinum plugs that extends out to 100k. I would try a tune up first plugs and wires. Reasonably cheap fix that is a prevenitive maintenace item anyways. If you have just recently had a tune up or it does not solve your problem you most likely have a bad coil pack on cylinder#1.

Hope This Helps.

Zeppelinx12

check engine light and code P1391 crank or cam position sensor

The above can cause rough idle on the Dodge Ram 1500 5.2L V8 Engine.

Can try to replace the sensor, but verify that the wires are ok first.

most likely its the throttle body sludged up . clean the throttle body and butterfly . this will only help if there is an idling problem . ck for codes and ck freeze frame data for more help

Code P1391 Loss of crank or cam sensors,P0340 No cam signal at the pcm. I would replace the crank sensor first. Your cam sensor is part of the dist. on 5.2/5.9 engines.
Hope that helps.

CODE 27 - Injector Control Circuit, output driver does not respond properly to the control signal

Code 27 MIL light options: OBDII
P0201 - Injector #1 Control Circuit
P0202 - Injector #2 Control Circuit
P0203 - Injector #3 Control Circuit
P0204 - Injector #4 Control Circuit
P0205 - Injector #5 Control Circuit
P0206 - Injector #6 Control Circuit

CODE 43 - Cylinder Misfire, or Ignition Primary Circuit

CODE $# MIL options: OBDII
P0300 - Multiple Cylinder Misfire
P0301 - Cylinder #1 Misfire
P0302 - Cylinder #2 Misfire
P0303 - Cylinder #3 Misfire
P0304 - Cylinder #4 Misfire
P0305 - Cylinder #5 Misfire
P0306 - Cylinder #6 Misfire
P0351 - Ignition Coil #1 Primary Circuit
P0352 - Ignition Coil #2 Primary Circuit
P0353 - Ignition Coil #3 Primary Circuit

Change cam sensor & erase codes.( disconnect battery for a minute or so after.) 340 & 1391 refer to cam sensor problem, and all other 300 codes are cylinder misfires that should disappear when cam sensor fixed.

Your best bet , take it to a qualified repair shop .

Code p300 - random misfire
code p301 - testing and results
code p303 - misfire cylinder 3
code p306 - misfire cylinder 6

i love code questions!!! i'm so good in this!