2004 Dodge Ram 1500 Q&A
2004 Dodge Ram 1500 Question: Misfire
These two problems are not related. It hard to guess at what is the problem with out being able to do some basic tests. A misfire can be ignition related (#5 coil to have failed, failed to be triggered by the computer, or the spark plug may be bad), it may be fuel related (injector not working properly or not being triggered to operate, or low fuel pressure) or it could be mechanical, a burned valve , low compression in that cylinder or a intake manifold vacuum leak. - patrick mannion
My truck randomly misfires and idles very bad and sometimes the check engine light turns on. I have changed the coil,cle...
P0300=means multiple misfires detected. P0301=means cylinder 1 had a misfire P0303=means cylinder 3 had a misfire P0305=...
...that pop up are codes po133 and po138. These are both only o2 sensor codes. Whats causing this misfire? Its really bad. It shakes the whole truck at idle and the truck doesnt want to go.
...truck I get code 305 then a day laider it goes to code 300. It idles rough an you can here it misfire. Some days it's worse then others. I replaced all the plugs an wires I switched cylinder # 5 c...
between 40mph and 55mph there's a vibration like a wheel is out of balance when the o/d is on but goes away when o/d is turned off what would cause this