 
				
	| 2010 Toyota Prius 1.8L Poor Idle Quality, Stall, MIL Lamp on I eliminated the following by using a known good part: map, maf sensors. I pinched off the purge vsv and pcv to eliminate them as a vacuum leak. when I spray carb cleaner into the intake plenum the engine runs smooth. the long term fuel is at 30% and the short... 
                        
                            FIX posted 12/15/2012
                               
                    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 9 Replies Received (View Replies)9 Replies Received (Hide Replies)
 | Message Closed w/FIX 
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| VIN | [No VIN Available] | 
| Engine | 1.8 L / 4 cyl / ELECTRIC/GAS | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Stall, MIL Lamp On | 
| Occurs | Always, Cold, Hot, on Accel, Idle | 
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) | 
| P0451 | Fuel Tank Pressure Sensor Circuit Range/Performance | 
| P0A0F | Engine Failed To Start | 
| P3190 | Poor Engine Power | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2010 Toyota Prius
| VIN | [No VIN Available] | 
| Engine | 1.8 L / 4 cyl / ELECTRIC/GAS | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Poor Idle Quality, Stall, MIL Lamp On | 
| Occurs | Always, Cold, Hot, on Accel, Idle | 
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) | 
| P0451 | Fuel Tank Pressure Sensor Circuit Range/Performance | 
| P0A0F | Engine Failed To Start | 
| P3190 | Poor Engine Power | 
 9 Replies Received
9 Replies Received
 9 Replies Received
          9 Replies Received
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