Question about 2005 Dodge Ram 2500 Truck
Replace the spark plugs,tune up
That's a good start. Code 300 is the code for a random miss. None of the cylinders are loosing RPM enough to point to one cylinder.
At least not yet.
You may have to wait until the problem gets bad enough to have a dead miss on one cylinder. Fuel injectors or fuel pressure is another possible cause as well as a vac leak.
Posted on Jul 25, 2013
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Posted on Jan 02, 2017
SOURCE: Dodge Ram 2500 engine ping
Your ignition timing may have advanced too far. Or it is now where it should be and is making more cylinder pressure during combustion causing the gasoline to ignite to early causing detonation or ping.
Make sure the ignition timing is correct. If it is try better fuel meaning the octane rating.
If you can go up to the next octane level. For example if you are using 87 go to 89 and see if it goes away. 3 of my wife's last cars a 1986 Honda Prelude, 2000 Neon, and a 2003 Neon had some ping under medium to hard acceleration. She switched to 89 octane and the ping went away completely in each vehicle. Each of the vehicle had a good deal of miles on them.
The 2003 Neon has 75000 miles on it now and runs great on 89 octane. About a year ago I tried 87 Octane in her car and the ping came right back.
Posted on Dec 26, 2008
The problem I had with my '89 Dakota was it would suddenly stop running while driving. After from 10 minutes to an hour I could start it up and drive on. It started happening more and more often. I was in a rush to get the truck running so I replaced both the computer and the timing module in the distributor to fix the problem. However, I suspect the real problem was the timing module was failing causing the engine timing to go out of spec and computer sensed it and shut down the ignition to safeguard the engine.
Good Luck, Bob
Posted on Jun 24, 2009
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