Question about 2003 Dodge Stratus
No problems starting the engine, but idling the car it just dies, started up 3 days ago, got the code checked p0300, but not sure whats causing the issue. Possible alternator belt? been squeaking for 2 yrs now, getting worse the last few weeks.
Trouble Code: P0300 Multiple Cylinder Misfire Detected Possible Causes:
Air leak in the intake manifold, or in the EGR or EVAP system.Base engine mechanical fault that affects two or more cylinders.Erratic or interrupted CKP or CMP Sensor signals.Fuel delivery component fault that affects two or more cylinders. (i.e., a contaminated, dirty or sticking fuel injector).Ignition system problem (coil or plug) in two or more cylinders.Vehicle driven with low fuel pressure or while very low on fuel.
Multiple Cylinder Misfire Detected
Posted on Jan 11, 2013
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Posted on Jan 02, 2017
SOURCE: Check engine light
A multi misfire may mean that one or more of the following has happened:
Faulty spark plug or wires, Faulty coil (pack), Faulty oxygen sensor(s), Faulty fuel injector(s), Stuck/blocked EGR valve / passages, Faulty camshaft position sensor, Defective computer.
The engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wire, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the the problems were faulty fuel injectors.
Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open.
Good luck and hope this information helps, keep me posted, be glad to help you get the truck running 100% again. Not sure if your running a K&N air filter, and if you are there may be a flim of oil on the MAF sensor that is making you run lean. You may want to spray down the MAF sensor with a can of MAF cleaner.
Posted on Jul 02, 2009
I have a 2001 Dodge Grand caravan Sport i have a misfire in cylinder 2 i changed the spark plugs,wires,coil,map sensor,COMPUTER,had it checked for vacum leaks (nothing),fuel filter.Basically I have almost redone the whole van and i still have the same problem. Can anyone suggest what else i could try! please
Posted on Oct 19, 2009
1st try and search for a vaccum leak, due to the fact that these vehicles have had some bad problems with the length of wires and hoses, if there is a vaccum leak in the vehicle somewhere that will trigger other malfunctions in your vehicle. Using a can of starting fluid or Brake cleaner spray lightly spray around our engine til you hear the motor rev-up and the spot you have sprayed will determine where your vaccum leak will be. And then check under your distributor cap for any moisture be sure to take a rag and wipe and residue off. Also check the firing order on your distributor.
Posted on Oct 28, 2009
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