|
2011 Chevrolet Impala LS 3.5L Excessive Emissions, Poor Idle Quality
Customer is complaining of a rough running condition on the first start up when the vehicle is cold everyday. We verified this problem. Once it warns up it goes away. The pcm is backing off the fuel trims -25%. We pulled the fuel rail to make sure we did n...
FIX posted 12/6/2017
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 14 Replies Received (View Replies)14 Replies Received (Hide Replies)
|
Message Closed w/FIX
|
14 Replies Received
14 Replies Received
Related Documents & Media | VIN | 2G1WG5EK1B |
| Engine | 3.5 L / 6 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Cold |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
Message Closed w/FIX
Vehicle Data
2011 Chevrolet Impala LS
| VIN | 2G1WG5EK1B |
| Engine | 3.5 L / 6 cyl / FLEX |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Cold |
Trouble Codes
| P0172 | Fuel System Too Rich (Bank 1) |
Video