FixGMC Yukon 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 GMC Yukon it is Sensor (21.3%), 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 GMC Yukon.
What it actually turns out to be on the GMC Yukon
| The fix involved | GMC Yukon* | All vehicles* | Typical cost† |
|---|---|---|---|
| Sensor | 21.3% | 14.2% | $226 – $461 |
| EVAP Component | 17.4% | 9.8% | $171 – $414 |
| Spark Plugs | 14.8% | 17.4% | $254 – $643 |
| Oxygen Sensor | 14.5% | 11.7% | $201 – $411 |
| Throttle Body | 6.1% | 2.9% | $365 – $694 |
| Fuel Injectors | 4.4% | 2.8% | $193 – $742 |
| Exhaust Component | 4.1% | 4% | $163 – $607 |
| Ignition Coil | 3.7% | 10.7% | $264 – $1,730 |
| Fuel Filter | 3.7% | 4.4% | $93 – $283 |
| 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 GMC Yukon 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 GMC Yukon visits for this complaint — the words as the owner said them, and what it turned out to be.
GMC Yukon owners said
“Customer states that check engine light is on. check and advise”
“Diagnose check engine lite”
“Check engine light is on and it runs rough”
“Check engine light p2135”
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 GMC Yukon repair costs
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 GMC Yukon differs.
Download the Diagnosis Brief (PDF, all vehicles)View it online · Narrow it down step by step
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