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1999 Chevrolet K1500 Suburban 5.7L Excessive Emissions, Poor Idle Quality
THANKS IN ADVANCE this suburban idles rough - not really rough but every 3 months or so it will throw a po300. this time the misfire monitors were hi on 7, 3, and 4. [...] misfires. Freeze Frame is recorded at idle. i can drive this thing down the road and nev...
Summary posted 10/23/2008
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Related Documents & Media | VIN | 3GNFK16R2X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Hot |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
Message Closed w/Summary
Vehicle Data
1999 Chevrolet K1500 Suburban
| VIN | 3GNFK16R2X |
| Engine | 5.7 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality |
| Occurs | Hot |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
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