Question about 2002 Chrysler Town & Country

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2003 town and country obd2 code p0300 fix

Replaced plugs wires because it was time. replaced coil.

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That is the multiple/random misfire code, as I'm sure you have researched by now. Do not rule out a fuel delivery problem such as defective fuel pump or plugged filter. Have your fuel pressure tested before you spend more money on parts. Low fuel pressure will cause lean mixture in some or all cylinders, thus multiple misfires. What symptoms are you experiencing, and when? Such as runs good cold but spits and sputters when warmed up etc.

Posted on Apr 21, 2013

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SOURCE: 2003 town and country changed plugs and wires and

did you replace the ignition coil? they do give you problem of skipping too.

Posted on Mar 13, 2010

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P0300 for kia


P0300; universal OBD2 code: random multiple misfire.
possible causes: worn spark plugs, or spark plug wires, or both.
-poor grade or quality of fuel
-vacuum leak
-faulty ignition coil(s)

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Code p0300


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Nov 12, 2011 | 1996 Chrysler Town & Country

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2003 2.0l dodge neon P2305 P0300 codes... plugs 2 and 3 not firiing. replaced coil pack no change


i would start by checking plug wires and spark plugs for proper gap replace if necessary check for compression in all cylinders i dont know what your codes are

Sep 16, 2011 | Dodge Neon Cars & Trucks

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We have 3 codes, p1684,p0300,&p0305


P1684 Driver 5 Line 4 Battery disconnected last 50 starts. (not much info on this one)

P0300 Random/Multiple Cylinder Misfire Detected

Causes:
  • Faulty spark plugs or wires
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector(s)
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Stuck/blocked EGR valve / passages
  • Faulty camshaft position sensor
  • Defective computer

P0305 Cylinder #5 Misfire Detected

Causes are the same as P0300.

Jan 03, 2011 | 2002 Chrysler Town & Country

3 Answers

I have a 2003 Cadillac Seville (STS) and i am getting a random misfire code. P0300. I need to know where the Vacuum lines are located to check for a leak in the System. Also, some suggestions on any...


p0300 could be a number of things most of the time if its a vacum leak you may be able to hear it hissing p0300 can be from another problem a bad fuel injector can cause a random misfire a bad coil pack a bad plug was there any other codes with the random misfire code how is the car running now explain please thanks

Nov 03, 2010 | 2003 Cadillac Seville

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My 2003 Pontiac Bonneville has a fault code of p0300 random cylindar misfire. How would you go about fixing it?


A code P0300 may mean that one or more of the following has happened:
* Faulty spark plugs or wires
* Faulty coil (pack)
* Faulty oxygen sensor(s)
* Faulty fuel injector(s)
* Burned exhaust valve
* Faulty catalytic converter(s)
* Stuck/blocked EGR valve / passages
* Faulty camshaft position sensor
* Defective computer

Possible Solutions:
* If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.
* If there are symptoms such as 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 wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases 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.

Hope helps (remember to rate this).

Oct 11, 2010 | Pontiac Bonneville Cars & Trucks

1 Answer

2003 town and country changed plugs and wires and


did you replace the ignition coil? they do give you problem of skipping too.

Mar 13, 2010 | 2003 Chrysler Town & Country

2 Answers

Can not figure out how i have random miss fires i just replaced wires and plugs. i have a p0300 code


I had this problem two weeks ago. Your old plugs are Iridium. The new plugs you installed are not. Make sure your new plugs are the same as your old ones. The Bosch I had bought looked like normal plugs, but the ones I pulled from my avalanche were pointy and sharp.

Nov 02, 2009 | 2003 Chevrolet Avalanche

1 Answer

Obd2 code p0300 on mazda protege 2002


Just had one of these with a maxima, the code is multiple random misfire, when a misfire occurs, to start is do the basics, replace the plugs, check fuel pressure, clean throttle body, and coolant is topped up. also I have seen if the O2 sensor is not working correctly is can cause a misfire, you will need a scan tool to look at what the O2 sensor is doing, o rby back probing the sensor (don't damage the O2 sensor wires). If it wires replace them as well, if it has coils they usually dont give that code if one fails, it will pinpoint that a certain coil if one fals.

Oct 02, 2009 | 2002 Mazda Protege

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