FixHonda Accord 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 Honda Accord it is Oxygen Sensor (19.4%), 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 Honda Accord.
What it actually turns out to be on the Honda Accord
| The fix involved | Honda Accord* | All vehicles* | Typical cost† |
|---|---|---|---|
| Oxygen Sensor | 19.4% | 11.7% | $231 – $429 |
| Spark Plugs | 17.6% | 17.4% | $172 – $413 |
| Sensor | 10.7% | 14.2% | $184 – $420 |
| Catalytic Converter | 7.8% | 3.3% | $287 – $700 |
| Ignition Coil | 7.2% | 10.7% | $185 – $359 |
| EVAP Component | 6.2% | 9.8% | $233 – $514 |
| EGR Valve | 5.8% | 3.9% | $196 – $438 |
| Valve Cover Gasket | 5.7% | 3.6% | $147 – $380 |
| Exhaust Component | 4.7% | 4% | $107 – $352 |
| 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 Honda Accord 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 Honda Accord visits for this complaint — the words as the owner said them, and what it turned out to be.
Honda Accord owners said
“Diagnose check engine lite”
“Check engine light on-diagnose”
“Diagnose mil indicator lamp (check engine)”
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 Honda Accord repair costs
- Honda Accord Won't Start
- Honda Accord Noise While Driving
- Honda Accord Oil 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 Honda Accord differs.
Download the Diagnosis Brief (PDF, all vehicles)View it online · Narrow it down step by step
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