FixChevrolet Silverado 2500HD 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 2500HD it is Sensor (20.8%), 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 2500HD.
What it actually turns out to be on the Chevrolet Silverado 2500HD
| The fix involved | Chevrolet Silverado 2500HD* | All vehicles* | Typical cost† |
|---|---|---|---|
| Sensor | 20.8% | 14.2% | $225 – $582 |
| Oxygen Sensor | 12% | 11.7% | $225 – $484 |
| Fuel Filter | 11.7% | 4.4% | $193 – $403 |
| EVAP Component | 10.2% | 9.8% | $237 – $531 |
| Exhaust Component | 9.7% | 4% | $144 – $660 |
| Spark Plugs | 9.2% | 17.4% | $273 – $567 |
| Fuel Injectors | 4.7% | 2.8% | $390 – $1,078 |
| Throttle Body | 4.6% | 2.9% | $346 – $671 |
| Thermostat | 4.4% | 6.1% | $250 – $550 |
| 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 2500HD 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 2500HD visits for this complaint — the words as the owner said them, and what it turned out to be.
Chevrolet Silverado 2500HD owners said
“Diagnose check engine light”
“Diagnose check engine lite”
“Customer states they have a check engine light”
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 2500HD repair costs
- Chevrolet Silverado 2500HD Coolant Leak
- Chevrolet Silverado 2500HD Won't Start
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 2500HD differs.
Download the Diagnosis Brief (PDF, all vehicles)View it online · Narrow it down step by step
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