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1993 GMC K1500 Suburban 5.7L Excessive Emissions
I'm out of ideas on this thing. o2 sensor would not go over .5v initially, replaced o2 sensor, now have active o2 sensor .2 to .8v, found ignition timing at 23 deg advanced, retarded to 0 deg, coolant temp is reading correct at 206 deg F, map sensor is correct...
FIX posted 6/5/2009
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Related Documents & Media | VIN | 1GDFK16K1P |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / Edelbrock mpi |
| Emissions | fed emissions |
| Symptoms | Excessive Emissions |
| Occurs | Hot, 2500 RPM |
| Misc. | 383 Stroker? Edelbrock Multipoint Fuel Injection |
Message Closed w/FIX
Vehicle Data
1993 GMC K1500 Suburban
| VIN | 1GDFK16K1P |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / Edelbrock mpi |
| Emissions | fed emissions |
| Symptoms | Excessive Emissions |
| Occurs | Hot, 2500 RPM |
| Misc. | 383 Stroker? Edelbrock Multipoint Fuel Injection |
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