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1995 GMC C1500 Sierra SL 5.0L Poor Idle Quality, Poor Idle Quality, Poor Idle Quality
Runs poorly but Ok with O2 sensor disconnected (open loop) but it runs very bad with the O2 sensor connected (close loop) engine dies on a slight acceleration more than 2000 RPM
Summary posted 1/5/2022
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27 Replies Received
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Related Documents & Media | VIN | 1GTEC14H4S |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / TBI |
| Emissions | Not OBD-II Compliant |
| Symptoms | Poor Idle Quality, Poor Idle Quality, Poor Idle Quality |
| Occurs | On Accel |
Trouble Codes
| 45 | rich mix. |
Message Closed w/Summary
Vehicle Data
1995 GMC C1500 Sierra SL
| VIN | 1GTEC14H4S |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / TBI |
| Emissions | Not OBD-II Compliant |
| Symptoms | Poor Idle Quality, Poor Idle Quality, Poor Idle Quality |
| Occurs | On Accel |
Trouble Codes
| 45 | rich mix. |
Video