|
1996 GMC Sonoma SLE 4.3L MIL Lamp on
this truck came in with the check engine light on, code p0420, catalyst efficiency low, ...the pre and post cat o2 sensors were both ranging from below .100 to .900 rapidly very similar to the 2 front o2 sensors.......removed the cat, it looked good, but was a...
FIX posted 5/10/2008
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 15 Replies Received (View Replies)15 Replies Received (Hide Replies)
|
Message Closed w/FIX
|
15 Replies Received
15 Replies Received
Related Documents & Media | VIN | 1GTCS19X2T |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/FIX
Vehicle Data
1996 GMC Sonoma SLE
| VIN | 1GTCS19X2T |
| Engine | 4.3 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Video