 
				
	| 2001 Volvo S40 1.9L Poor Idle Quality, MIL Lamp on we just replaced the engine in this car because it had a crack in the cylinder wall causing loss of coolant. we found a low milage used motor. after installation we had a wandering idle and stalling. after checking in the books we replaced the engine speed sen... 
                        
                            FIX posted 2/9/2007
                               
                    iATN Members:  Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 16 Replies Received (View Replies)16 Replies Received (Hide Replies)
 | Message Closed w/FIX 
 | 
| VIN | YV1VS29501 | 
| Engine | 1.9 L / 4 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, MIL Lamp On | 
| Occurs | Always | 
| Misc. | 1.9 L Turbo | 
Trouble Codes
| 78 | |
| P0335 | Crankshaft Position Sensor 1 Circuit Malfunction (No Signal) | 
| P0336 | CKP Sensor 1 Circuit Intermittent Signal | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2001 Volvo S40
| VIN | YV1VS29501 | 
| Engine | 1.9 L / 4 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, MIL Lamp On | 
| Occurs | Always | 
| Misc. | 1.9 L Turbo | 
Trouble Codes
| 78 | |
| P0335 | Crankshaft Position Sensor 1 Circuit Malfunction (No Signal) | 
| P0336 | CKP Sensor 1 Circuit Intermittent Signal | 
 16 Replies Received
16 Replies Received
 16 Replies Received
          16 Replies Received
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