Catalyst and Evap Wont Read 01 Ram 1509 5.9
A sputtering engine can indicate a number of problems. If your Dodge Ram has a sputter, information technology is virtually probable going to exist acquired by bad fuel system, ignition arrangement, MAF sensor, or bad catalytic converter.
Your Ram'south engine is a giant pump. It pulls in air (where it is measured by the mass airflow sensor). The air is then guided into the cylinder where fuel is added and compressed. In one case compressed, the mixture information technology is ignited by the spark plugs. Information technology is then expelled through the frazzle, where it is so scrubbed by the catalytic converter before being sent through the frazzle pipe.
Before diving into our list of the most mutual reasons that a Ram's engine sputters, make sure to bank check for problem codes if you lot have a bank check engine light on. This can radically reduce the time it takes you to diagnose the problem.
Any failure in the process listed above can lead to a sputtering engine. Here are the most likely causes of sputtering:
1. Bad Ignition System
Your ignition system is more only the spark plugs. It relies on information from the crank and cam sensors to time the spark properly. The coil or coil packs need to be strong. The spark plugs themselves tin go bad over time. Although with a modern vehicle, it should be able to go near – 100,000 miles without the plugs showing much damage.
Diagnosis + Repair
If you do have a problem with the ignition organisation, you'll more likely go a diagnostic trouble code that indicates that at that place is a problem with the ignition arrangement, such every bit P0300 (Random Multiple Misfire) or P030X where 10 represents the exact cylinder that is misfiring.
If there is reason to believe that the ignition system has gone bad, take a look at the spark plugs starting time. They can tell y'all a lot near what is going on with the engine. Here'due south a more in depth guide on bad spark plugs.
If the plugs look fine, cheque the spark plug wires (if so equipped), make sure that they look good (non dry rotted, not melted). An old play a joke on that you can practise to check them is to make sure that they are not bleeding spark. Wait until it is dark, turn off the headlights and check under the hood. If you meet spark coming from the wires, replace them and hopefully that will solve the problem.
If the plug wires cheque out, you'll demand to test the coil packs themselves. You tin practice it with a voltmeter. Here's a great video to help you with that.
Fuel Organisation Issues
The side by side item on the list would be the fuel organization. The fuel system starts with the Ram'southward fuel pump, which will exist in the gas tank. It sends fuel through the fuel lines and filter to your its fuel injectors.
At that place needs to be enough fuel pressure for the fuel to properly atomize at the injectors. If there is non the engine will sputter similar crazy, equally information technology will exist starved for fuel.
Diagnosis + Repair
Most vehicles have a port to manually check the fuel pressure level. That'due south a peachy place to first. You'll take to look upward where it is for your particular model yr and engine philharmonic. But, they ordinarily aren't difficult to access.
If the fuel pressure reading is below where it needs to be, checking and replacing the fuel filter would exist the kickoff thing to check. It's easier to get to than the fuel pump. Otherwise, y'all'll more than likely have to drop the tank and replace the fuel pump.
Before going through all of that though, make sure to inspect the fuel lines for any crimping or impairment.
If the pressure looks good, you'll need to make up one's mind if the injectors are chock-full or leaking. Smell for gas right after running the engine. That'southward a strong indication that a fuel injector is leaking. If it is leaking, consider it a burn down hazard and don't run the engine once again until the injector has been replaced.
Further Reading:
Dodge Ram Fuel Filter Diagnosis
Dodge Ram Fuel Pump Diagnosis
Bad Catalytic Converter
A bad catalytic converter will crusade your Ram'due south engine to sputter. It scrubs the exhaust to remove pollutants. When a converter goes your vehicle is effectively choked. The 2 most obvious signs that one has gone bad will exist engine sputtering and a rotten egg smell.
Diagnosis + Repair
If the catalytic converter has gone bad, information technology will testify itself the virtually when y'all need ability. When the engine is idling, it may not sputter at all. As it revs up, more exhaust is created at ane time. This leads to a back pressure level increase, which chokes the engine from the exhaust side.
You'll need to replace the catalytic converter if it is clogged. The most mutual OBD 2 codes associated with this code are P0420 or P0430.
Proceed your olfactory organ open up you should smell a bad aroma coming from a bad catalytic converter.
MAF Sensor
The mass airflow, or MAF, sensor checks the air volume and temperature as information technology enters the engine. It's one of the most important sensor that your Ram has. Only like the air filter that protects it, it tin get dirty. When it gets dirty it tin can't read the air entering the engine properly and your engine volition sputter.
Diagnosis + Repair
The mass airflow sensor is really like shooting fish in a barrel to get to. Information technology'll be between the intake manifold and the air filter. If you do have to make clean it, make certain that you are using mass airflow sensor cleaner, and null else. Otherwise yous can damage it. Here'south a great video on how to properly clean a MAF sensor.
Further Reading:
Dodge Ram MAF Sensor Diagnosis
Conclusion: Ram Engine Sputtering
Engine sputtering is a tough trouble to track down. The above list is not everything that can cause this trouble, simply it is a corking first. If you observe out what happened to cause your car to sputter, delight come dorsum and leave a annotate. Good luck!
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Source: https://www.700r4transmissionhq.com/dodge-ram-engine-sputtering/
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