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2007 Chevrolet Silverado 1500 LTZ 5.3L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
this is an intermittant misfire. #3 cylinder counts misfires only at idle in gear. in the misfire history #6 shows 21k misfires, but havent seen it mis a beat since it arrived. cyl#1 18 misfires #2 9528 #3 2663 #4 599 #5 2 #6 20917 #7 3 #8 956 when driving...
FIX posted 7/1/2026
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Related Documents & Media | VIN | 2GCEC13J37 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0174 | Fuel System Too Lean (Bank 2) |
| P0300 | Multiple Misfire Detected |
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
| P0430 | Catalyst Efficiency Below Threshold (Bank 2) |
Message Closed w/FIX
Vehicle Data
2007 Chevrolet Silverado 1500 LTZ
| VIN | 2GCEC13J37 |
| Engine | 5.3 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0174 | Fuel System Too Lean (Bank 2) |
| P0300 | Multiple Misfire Detected |
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) |
| P0430 | Catalyst Efficiency Below Threshold (Bank 2) |
Video