Question about 1997 Dodge Caravan

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CODE P0303 P0300

CYLINDERS 3 AND 6 WONT FIRE

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: 01 3.9l ram 1500 wont start p0300, p0301, p0303,

P 0300 = Multiple Cylinders Misfire Detected.
P 0301 = Misfire at Cylinder #1
P 0303 = Misfire at Cylinder #3
P 0306 = Misfire at Cylinder #6
P 0340 = NO Camshaft Signal at PCM = Bad Camshaft Position Sensor.
P 0455 = A leak detection monitor is unable to pressurize EVAP system, indiicating a large leak.

My experience points FIRST to that Camshaft Position Sensor. Replace this first and check operation. It should be located on the front, near the top of the engine in the area of the Timing Chain cover. It usually has a retaing bolt holding it into place. Unplug the electrical connection. Remove this bolt and you will need to pull (relatively hard) up and out. They are in the cover using o-rings and is it pretty snug. I believe when this is replaced first the other cylinder codes will disappear.
The Camshaft Position Sensor sends an electrical pulse which in conjuction with the Crankshaft Position Sensor coordinates the Electronic Coil to Fire to the appropraite Cylinders. If there is not a "signal" sent, or the wrong signal sent, there is a misfire.
Let me know if this helped, or if you have additional information or questions. Feel free to contact me at FixYa.com!

Posted on Jan 07, 2010

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SOURCE: Im getting an error code

1282 is the fuel pump relay the others are misfires. Very tricky to diagnose.

Posted on Nov 27, 2010

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SOURCE: P0300 P0301 P0302 P0303 P0304

Have you had somebody clear the codes after you installed the parts.If not the codes have to be erased by using a scan tool.

Posted on May 05, 2012

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What are some solution for my miss fire codes for my car p0300 p0302 I have new cord spark plugs


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DTC P0300, P0301,P0303


The codes are for a random miss, and a miss on cylinders 1 and 3.
It could be ignition or the fuel injectors, or a vac leak or mechanical problem such as a cam.
The computer sees a drop in RPM on those cylinders noting a drop in horsepower.
A mechanic would verify those two cylinders are firing and getting fuel then check for mechanical problems.

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Getting codes P0341, p0300, p0301, p0302, p0303


P0300 is multiple misfire. The corrective action for this code would be to test your fuel pressure and the injectors. P0301, P0302, P0303 is saying in certain cylinders there is a misfire. There are two different engines so I wasn't sure which one you have and couldn't give you the correct testing procedures for the coils. P0341 is saying the camshaft position sensor readings are bad. Again I am unable to give you the correct tests to check this due to not knowing your engine size. Feel free to email me at csautomotivecars@att.net with detailed information about your vehicle and I will be happy to email you the testing procedures to narrow down the problem and help you solve it.

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2005 Grand Cherokee 4.7L. When started multiple misfires cyl 1,3,5,7. After running about 1 minute, misfires disappear. Code p0300, sometime accompanied by p0303


P0300 is Multiple Misfire and P0303 is one specific misfire in the cyl #3.

A code P0303 may mean that one or more of the following has happened:
* Faulty spark plug or wire
* Faulty coil (pack)
* Faulty oxygen sensor(s)
* Faulty fuel injector
* Burned exhaust valve
* Faulty catalytic converter(s)
* Running out of fuel
* Poor compression
* 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.

Hope helps.

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2 Answers

CODES P0300 P0303


These codes are codes regarding failure. The code P0300 means repeated Engine Misfiring. The code P0303 means Repeated Misfiring of Cylinder Number 3. Kindly contact a technician to get both checked. Their Heads must have been misplaced or broken due to misfiring.
Thank you sir, Have a nice day.

Sep 26, 2009 | 2002 Dodge Neon

1 Answer

Reads codes of po300,po302,po303,po305


Hi these are mis-fire codes ,
P0300 is a general mis-fire detected code the others relate to specific cylinders,
P0302 is cylinder 2 misfire
P0303................3........
p0305..................5........
I would check your spark plugs first if Ok you need to make sure the coils are working ok for this you need an osciloscope to check output voltage if your not sure then take to a qualified mechanic with Cadilac experience it could be caused by an air leak,bad ECT sensor or even Mass air flow sensor ,codes only tell you the result not the cause

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What is the meaning of 98 Honda Civic error codes P0300 P0303 P0304? Engine will not start, does not seem to fire.


P0300 indicates that there is multiple miss fire in the ignition system. P0303 and p0304 indicates the miss fire is in cylinder #3 and #4. Replace the spark plug, and wire set, and rotor and cap if there is one. Can not remember if there are coil packs on the civic, the age thing. change the fuel filter and clean out the fuel injectors with fuel injector cleaner for the next 3 full ups. When the spark plugs are removed, inspect them for condition, if there clean or dirty with carbon build up. which would indicate how the engine is running. Keep me posted and drive safe.

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Obd codes p0300 p0301 p0303 p0305 p0401


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I would check out the EGR valve. That maybe what is causing all the misfires.

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2000 dakota 4.7 v-8 codes p0300 p0303 p0304 p0307


well the codes
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p0304 misfire cylinder 4
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can be alot of things check cylinders for compression is what i would do first..

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