Question about 2005 Dodge Dakota
I just turned 38,000 miles on my 2005 Dodge Dakota and the check engine light came on I took it to Autozone and the said the code was P0300, definision: Cylinder misfire detected-Random cyclinders. Explanation The power train control module monitors the crankshaft speed and has detected a misfire condition..
1. ignition system faulty-spark plug (s),ignition wires,coil
2. Vacuum leak
3. injector fault
4. High or low fuel pressure.
I'd like to know where do I start ?
The truck is 12 years old even with the low miles will possibly need a tune up --air filter- plugs - wires-- injectors may need cleaning or their partial clogging[ possible replacement ] age and environment wear down parts and components not just mileage
Posted on Apr 18, 2017
Even with low miles, the truck has some years on it. Is the gas old? If the truck seemed to run fine, I would clear the code and see if it came back. Sometimes these things are just a one-off occurrence. If it continues, I would make sure it isn't running on old gas (if the truck has been sitting a while), then check the spark plugs, and go with the usual tune-up items.
Posted on Apr 18, 2017
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Posted on Jan 02, 2017
I would check the injector. Pull the plug and check for corrosion. Use on ohm meter to check the injector. The resistance should be 11 to 15 ohms. Check it against another injector. they should be close. You can also check the injector plug. best to use is a noid light, but you can use the meter. set it to dc volts to check. the numbers should jump everytime it fires. since you got a 300 and 301 misfire it tells me that you have an intermitant misfire in cylinder 1. The other sensors are still good don't replace them. The coil is still good, because when it starts to go, it will have misfires on all cylinders or will not work at all. The crank sensor is the one that detects the misfire, again don't replace it because it's not bad, it's just doing it's job. If the injector and harness check out good then I would start check the cylinder for compression and mechanical problems
Posted on Nov 24, 2010
that is the coil on top of #5 spark plug. you can replace the coil or switch it to another cylinder and see if you get a different code. misfire codes are 301-306.
Posted on Dec 18, 2010
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