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	 2004 Ford F-150 Lariat 5.4L Poor Idle Quality, Misfire 
		
		Truck came in a few weeks ago with a timing chain noise and a p1336 code. Replaced timing chain kit and cam phasers [we used the crankshaft lineup tool and triple checked the marks on the new chains]. Reset PCM, test drove. The noise is gone, everything wa... 
                        
                            Summary posted 12/6/2017
                             
                 
                            
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         Message Closed w/Summary 
	   
	   
	   
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| VIN | 1FTRX12524 | 
| Engine | 5.4 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Misfire | 
| Occurs | Under Load, on Accel, Idle | 
Trouble Codes
| P1336 | Crankshaft Speed Fluctuation Sensor Circuit Malfunction | 
Message Closed w/Summary
            
            
 Vehicle Data
                2004 Ford F-150 Lariat
| VIN | 1FTRX12524 | 
| Engine | 5.4 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Misfire | 
| Occurs | Under Load, on Accel, Idle | 
Trouble Codes
| P1336 | Crankshaft Speed Fluctuation Sensor Circuit Malfunction | 
                            
8 Replies Received
          8 Replies Received
          
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