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1998 GMC K1500 Sierra SL 5.0L Excessive Emissions, Poor Idle Quality
do,se 83 psi seem high is afuel return line plugged key on eng off 60psi holds for awhile. also desired idle 650 rpm is that a bit low thought maybe 850-950 would be right .also #2 o2 sensor not communicating. runs rich but might be carboned up because of exau...
FIX posted 3/20/2009
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Related Documents & Media | VIN | 2GTEK19M0W |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Always |
Message Closed w/FIX
Vehicle Data
1998 GMC K1500 Sierra SL
| VIN | 2GTEK19M0W |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Always |
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