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The P0300 code indicates random engine misfiring. The P0303 and P0304 codes indicate the cylinder #s where excessive misfiring is occuring.

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Q: What are these codes P0304 P0300 P0303?
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Will engine light turn on with a bad valve?

Yes. At least one or more of these codes would come up, P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307 or P0308.


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P0300 would be random misfire. P0301, P0303, P0305, would be cylinders 1, 3 and 5 are misfiring.


2004 wrangler sport you need trouble code p0300 p0302 p0303?

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What does that mean?A P0303 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #3. SymptomsSymptoms may include: the engine may be harder to startthe engine may stumble / stumble, and/or hesitateother symptoms may also be presentCausesA code P0303 may mean that one or more of the following has happened: Faulty spark plug or wireFaulty coil (pack)Faulty oxygen sensor(s)Faulty fuel injectorBurned exhaust valveFaulty catalytic converter(s)Running out of fuelPoor compressionDefective computerPossible SolutionsIf 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.Other ReadingP0300 - Random/Multiple Cylinder Misfire Detected Related P0303 Forum TopicsP0303 on Jeep Liberty98 gmc p0303 codecode p0303 1997 expedition1997 Chevy Tahoe P0303 code - Need Help!1997 Chevy Tahoe P0303 code - Need Help!Toyota tacoma p0303 code2001 Toyota Sienna, codes P1137, P0305, P0303, P0301, P0303P0300 P0302 P0303 1998 Toyota Tacoma Prerunner2003 grand prix, 3100 v6 obd p0303misfire cyl 3 p0303p0303 and code p030099 Buick Regal-P0303 and P0171 codes2001 Nissan Sentra 1.8L P03031996 intrepid: p0303, onboard code 12 and 43. what's wrong??P0303 misfire cylinder 3 detected 1999 GMC SuburbanP0420, P0302, P0303, P0304, P01712001 Windstar P03032003 Honda Civic EX P0300, P0302, P0301, P0303, P030402 AVALANCHE Z71 - P1870, P0303p0300, p0301, p0302, p0303, p0304 and p1128, p03222000 Seville STS P0303, P0300P0303 revisited1996 Grand Prix GTP - codes P0171 & P0303HELP - 2003 Jeep Liberty 3.7L V6 poor idle P0300 P0303 P0305Code P0303


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Here is a good site for decoding error codes. Specifically this error code of P0304.http://www.obd-codes.com/p0304


What vehicle identification numbers have the engine misfire for the 2005 Chevrolet Colorado?

Stop by http://www.coloradofans.com there are different people that have had that problem. you can probably message them personally and see how they got to that problem. P0300= Random/ multiple cylinder misfire detected P0301= Misfire detected- cylinder #1 P0302= Misfire detected- cylinder #2 P0303= Misfire detected- cylinder #3 P0304= Misfire detected- cylinder #4 p0305= Misfire detected- cylinder #5 P.S. These are Diagnostic trouble codes, not vechicle id numbers.


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What is code P0303 Random Misfire Detected on a gmc Yukon and how do you repair it?

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