|
1994 GMC K2500 Suburban SLE 7.4L Excessive Emissions
HEY GUYS! THIS TRUCK CAME IN FOR SMOG FAILURE,(NOX)AND TIMMING OFF [...] set to 0. Reset timming to 4"before. failed 15mph at 1337ppm/ failed 25mph at 1012ppm. lambda test results were 1.001 at both speeds. we replaced cat.(w/ heavy duty [...])now tested again...
FIX posted 11/8/2007
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 8 Replies Received (View Replies)8 Replies Received (Hide Replies)
|
Message Closed w/FIX
|
8 Replies Received
8 Replies Received
Related Documents & Media | VIN | 1GKGK26N7R |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TBI |
| Emissions | CAILF,OBD1 |
| Symptoms | Excessive Emissions |
| Occurs | Hot, Under Load |
| Misc. | 4X4 |
Message Closed w/FIX
Vehicle Data
1994 GMC K2500 Suburban SLE
| VIN | 1GKGK26N7R |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / TBI |
| Emissions | CAILF,OBD1 |
| Symptoms | Excessive Emissions |
| Occurs | Hot, Under Load |
| Misc. | 4X4 |
Video