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1999 Chevrolet Silverado 1500 5.3L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
vehicle starts right up and runs good till fast idle starts to drop then idle starts [...] and short term fuel trim will gradually max out with o2 sensors showing very low [...] pressure is good at this time.i had checked for vac leaks with smoke machine both ...
FIX posted 2/22/2007
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Message Closed w/FIX
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15 Replies Received
15 Replies Received
Related Documents & Media | VIN | 2GCEK19T1X |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, MIL Lamp On |
| Occurs | Cold, Idle |
Trouble Codes
| 171 | lean condition |
| 174 | lean condition |
Message Closed w/FIX
Vehicle Data
1999 Chevrolet Silverado 1500
| VIN | 2GCEK19T1X |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, MIL Lamp On |
| Occurs | Cold, Idle |
Trouble Codes
| 171 | lean condition |
| 174 | lean condition |
Video