Question about 2002 Dodge Stratus

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Misfire cylinder 1

My Dodge stratus r/t 3.0 5 speed started running rough while driving it idles fine but when I put it in 1st gear and go to take off it starts to bog down and falls on its face through out all 5 gears. My scanner says its misfiring in cylinder 1 and gas emission that's it. I took the intake manifold off it and changed the all the plugs last year it ran ok engine light that said misfire never went away but still ran fine up till now the problem with running rough has returned. Thanks for any help with this.

Posted by Anonymous on

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  • Dodge Master
  • 14,749 Answers

Here's a link to your misfire. P0301 Dodge Cylinder Misfire Fault Detected ,check this video out. Why Do Engines Misfire P0301 Code

Posted on May 20, 2017

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

Hi there,
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Posted on Jan 02, 2017

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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

Mustgo
  • 2361 Answers

SOURCE: MIL indicates cylinder misfire on 1, 3, and 5

Check for

vacuum leaks on intake manifold,

the air tube between the air filter.

intake manifold vacuum hose.

===
clean throttle plate with Berryman carburator cleaner

SEE sample picture HERE
===

Also remove carbon built up behind the EGR valve and the EGR passage tube.

===

Vacuum leak WILL offset the intended 14.7 to 1 air fuel ratio.

More un-metered air (leaks) will lean out the fuel mixture.

Use small amount of Berryman carb clearer at potential air leak area will help you identify trouble spot.

At idle,just spray and listen for the RPM surge.

The in-rush of carb clearer will increase the RPM on the motor.

Record the problem spot(s) and address it later.

===

EGR carbon built up require 2+ hours to clean from start to finish.

You will need a new EGR base gasket before your start.

Locate and remove the EGR valve after the vehicle is cool down.

Carefully record the connector and vacuum line (for older vehicle) location by drawing an easily to follow diagram.

Remove the EGR valve.

Inspect the location of the carbon built-up inside the valve and the EGR passage tube.

SOAK these areas with WD-40 spary.

You will need a small screwdriver,cloth hanger and lot of newspaper and time to get this cleaning done right.

RE-SOAK the carbon and let it sit for over-night will also help.

One the last round,pass a shop vacuum of the EGR valve and the passage pipe.

Install the new EGR gasket and connectors.

Allow the vehicle to warm up outdoor to burn up any remaining WD-40.


Take it for a test drive.


Please rate my answer if it's useful to you.


Cheers,

Mustgo

Posted on Dec 19, 2009

yegarboy
  • 286 Answers

SOURCE: Misfire problems on my 2006 Dodge Stratus SXT 2.4l DOHC

Thats exactly what it sounds like.

Posted on Dec 13, 2011

  • 4 Answers

SOURCE: runs rough and loud

Take it to the dealer and ask them what the problem is.

Posted on Jan 29, 2012

  • 3640 Answers

SOURCE: p0456 and p0301

p0456 is--

  • A small leak in any of the EVAP hoses or fuel tank hoses
  • A small leak in the purge valve or vent valve
  • The EVAP Canister may be leaking also check the gas cap! remove the cap and replace it tight. then see if the check engine code goes out. because there could be a leak in cap check this first! .as for p0301 it is number one cylinder misfire, please go to this site it will explain it in better detail, repairpal.com/OBD-II-code-po301. good-day !

Posted on Feb 11, 2012

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