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1998 GMC C2500 Suburban 7.4L Moniters
98 n454 Suburban, aftermarket supercharger, Nitrous Cal Carb compliant. vehicle originally came in with MIL on and a P0410 AIR fault/. Traced system, found clutch on AIR pump defective. Procured a "reman" unit and installed. All good at that time. Vehicle ...
Summary posted 2/10/2026
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Related Documents & Media | VIN | 3GKGC26J9W |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / PORT |
| Emissions | OBD-II Compliant |
| Symptoms | Moniters |
| Occurs | Always |
Trouble Codes
| P0416 | Secondary Air Switching Valve 'B' Circuit Open |
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Vehicle Data
1998 GMC C2500 Suburban
| VIN | 3GKGC26J9W |
| Engine | 7.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / PORT |
| Emissions | OBD-II Compliant |
| Symptoms | Moniters |
| Occurs | Always |
Trouble Codes
| P0416 | Secondary Air Switching Valve 'B' Circuit Open |
Video