FixChevrolet Silverado 1500 Check Engine Light On — What It Usually Means, and What It Costs
Across all vehicles, the most common cause of a check engine light is Spark Plugs (17.4%). On the Chevrolet Silverado 1500 it is EVAP Component (19.3%), so the order of suspects is different for this vehicle. The table below shows each fix for this vehicle next to the all-vehicle share, with what it costs on the Chevrolet Silverado 1500.
What it actually turns out to be on the Chevrolet Silverado 1500
| The fix involved | Chevrolet Silverado 1500* | All vehicles* | Typical cost† |
|---|---|---|---|
| EVAP Component | 19.3% | 9.8% | $231 – $489 |
| Sensor | 19.1% | 14.2% | $210 – $464 |
| Spark Plugs | 16.5% | 17.4% | $220 – $591 |
| Oxygen Sensor | 12.9% | 11.7% | $208 – $412 |
| Exhaust Component | 4.8% | 4% | $144 – $528 |
| Fuel Pump | 4.7% | 1.9% | $590 – $994 |
| Thermostat | 4% | 6.1% | $179 – $442 |
| Throttle Body | 3.8% | 2.9% | $368 – $649 |
| Catalytic Converter | 3.2% | 3.3% | $361 – $873 |
| Other, rarer causes | smaller shares | — | varies |
*Share of visits whose repair involved this part, among visits for this complaint that ended in a parts repair. Combined
repairs count toward each part involved, so shares overlap and don't add up to 100%.
†Middle half of real Chevrolet Silverado 1500 invoices (25th–75th percentile) when this was the only fix, parts + labor; rows marked "all vehicles" use all vehicle types.
Real repair reports
Recent, paid Chevrolet Silverado 1500 visits for this complaint — the words as the owner said them, and what it turned out to be.
Chevrolet Silverado 1500 owners said
“Diag check engine light”
“Diagnose check engine lite”
“Check engine light flashing running rough”
More on this problem and this vehicle
- Check Engine Light On: all vehicles — how to tell the causes apart, and what each fix usually costs
- All Chevrolet Silverado 1500 repair costs
- Chevrolet Silverado 1500 Won't Start
- Chevrolet Silverado 1500 Oil Leak
- Chevrolet Silverado 1500 Coolant Leak
Take this to the shop
The FixDozer Diagnosis Brief for this complaint puts the all-vehicle odds on one printable sheet. Bring it with this page: the table above shows how the Chevrolet Silverado 1500 differs.
Download the Diagnosis Brief (PDF, all vehicles)View it online · Narrow it down step by step
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