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2015 Chevrolet Express 2500 4.8L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on
The van came in with rough idle, missing, loss of power exhaust leaking at manifolds. We scanned for codes. found the codes listed above. With the high miles did a tune up.I still has same miss fires. Tried swaping plugs, wires and coils from cyl 5 that ha...
FIX posted 2/1/2024
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Related Documents & Media | VIN | 1GCWGFCF8F |
| Engine | 4.8 L / 8 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MULTI PORT INJECTION |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0030 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Relay Circuit Malfunction |
| P0053 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance |
| P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction |
| P0300 | Multiple Misfire Detected |
| P0357 | Ignition Coil 7 Primary Circuit Malfunction |
| P3503 | Cylinder 3 misfire |
Message Closed
Vehicle Data
2015 Chevrolet Express 2500
| VIN | 1GCWGFCF8F |
| Engine | 4.8 L / 8 cyl / FLEX |
| Trans | 6-speed Automatic (Electronic) |
| Delivery | Fuel Injection / MULTI PORT INJECTION |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Hesitation, Misfire, MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0030 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Relay Circuit Malfunction |
| P0053 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Resistance |
| P0135 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Malfunction |
| P0300 | Multiple Misfire Detected |
| P0357 | Ignition Coil 7 Primary Circuit Malfunction |
| P3503 | Cylinder 3 misfire |
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