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	 2010 Jeep Patriot Sport 2.4L Misfire 
		
		This is a weird one for me. The PCM says the engine is misfiring on cylinders 1 and 4, but it's running fine. Then because the PCM "thinks" it's misfiring, it shuts the injectors off on those cylinders, and then the engine actually starts to misfire. Turn ... 
                        
                            FIX posted 5/14/2021
                             
                 
                            
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           Message Closed w/FIX 
	   
	   
	   
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| VIN | 1J4NT2GB6A | 
| Engine | 2.4 L / 4 cyl / GAS | 
| Delivery | Fuel Injection / MPFI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire | 
| Occurs | Cold, Hot, Idle, Intermittently | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
| P0301 | Cylinder 1 Misfire Detected | 
| P0315 | Crankshaft Position Sensor Not Learned | 
| P0335 | Crankshaft Position Sensor 1 Circuit Malfunction (No Signal) | 
Message Closed w/FIX
            
            
 Vehicle Data
                2010 Jeep Patriot Sport
| VIN | 1J4NT2GB6A | 
| Engine | 2.4 L / 4 cyl / GAS | 
| Delivery | Fuel Injection / MPFI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire | 
| Occurs | Cold, Hot, Idle, Intermittently | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
| P0301 | Cylinder 1 Misfire Detected | 
| P0315 | Crankshaft Position Sensor Not Learned | 
| P0335 | Crankshaft Position Sensor 1 Circuit Malfunction (No Signal) | 
                            
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