|
2008 GMC Sierra 1500 WT 5.3L MIL Lamp on
This truck came in with a mild rough idle and a code P0420. We scanned the 02 sensors and although bank 1 o2 sensor had many oscillations compared to bank 2 but the amplitude was low. We ran injector cleaner in it which smoothed out the idle and it ran normall...
FIX posted 7/21/2017
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 18 Replies Received (View Replies)18 Replies Received (Hide Replies)
|
Message Closed w/FIX
|
18 Replies Received
18 Replies Received
Related Documents & Media | VIN | 1GTEC19J68 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
2008 GMC Sierra 1500 WT
| VIN | 1GTEC19J68 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Idle |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video