Question about 2003 Dodge Stratus

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Multiple cylinder misfire

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.

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  • makeoutartis
    makeoutartis Jan 11, 2013

    2003 dodge stratus se v6 CAR lolol, Ive got the report from o'reilly's on possible causes and solutions, im just really stuck on the belt. Everyone has been helpful so far though thank you

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  • Dodge Master
  • 14,200 Answers

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.

Posted on Jan 11, 2013

6 Suggested Answers

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Posted on Jan 02, 2017

  • 116 Answers

SOURCE: Overheating, lack of power under load

these trucks destroy heads, should be under 7yr. 70,000 warranty, call a dealer to in quire.

Posted on May 19, 2009

motor1258
  • 6674 Answers

SOURCE: truck has no power

I'd start with a fuel pressure test.

Posted on May 26, 2009

Molson02536
  • 3854 Answers

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

  • 1 Answer

SOURCE: 2001 Dodge Caravan Cylinder Misfire

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

  • 8 Answers

SOURCE: 2002 Dodge Durango 4.7L V8 Check Engine Codes

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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Why won't my car start?


P0300 multiple misfire
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Multiple cylinder misfires cause engine to die out unless gas pedal is pressed. Will not idle


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What is code p0300?


P0300 - Random, Multiple Cylinder Misfire Detected Fault Code Definition
  • Random, Multiple Misfire Detected
Symptoms
  • Check Engine Light flashing
  • Rough running, hesitation, and/or jerking when accelerating
  • In some cases, there may be performance problems, such as dying at stop signs or rough idling, hesitation, misfires or lack of power (especially during acceleration), and a decrease in fuel economy
Common Problems That Trigger theP0300
  • Worn out spark plugs, ignition wires, coil(s), distributor cap and rotor (when applicable)
  • Incorrect ignition timing
  • Vacuum leak(s)
  • Low or weak fuel pressure
  • Improperly functioning EGR system
  • Defective Mass Air Flow Sensor
  • Defective Crankshaft and/or Camshaft Sensor
  • Defective Throttle Position Sensor
  • Mechanical engine problems (i.e.-low compression, leaking head gasket(s), or valve problems

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