P0301 on Hyundai Vehicles: Cylinder 1 Misfire Detected
Cylinder 1 is repeatedly failing to fire. The cause is almost always its coil, plug, injector or compression. P0301 →
16Complaints mentioning the code
#3Rank among 17 brands
2.3%Share of Hyundai DTC complaints
In NHTSA owner complaints we analyzed for Hyundai, P0301 was mentioned 16 times.
Most mentioned models
| Hyundai Elantra Gt | 6 | |
|---|---|---|
| Hyundai Elantra | 2 | |
| Hyundai Kona | 2 | |
| Hyundai Tucson | 2 | |
| Hyundai Genesis | 1 | |
| Hyundai Santa Fe | 1 |
Model years mentioned
Components named in these complaints
- Engine (13)
- Electrical System (2)
- Unknown Or Other (1)
- Power Train (1)
- Service Brakes (1)
Reports with a crash: 1 · fire: 0 · injuries: 1
Often appears together with
P0303
Powertrain
Cylinder 3 is misfiring. Check whether it misses at idle or under load before you blame…
Moderate
P0300
Powertrain
The engine computer sees misfires that jump between cylinders or hit several cylinders at once.
High
P0302
Powertrain
Cylinder 2 keeps misfiring. On inline engines it's a middle cylinder, so rule out coolant…
Moderate
P0014
Powertrain
The bank 1 exhaust cam won't follow its target and stays too far advanced; think oil, valve…
Moderate
P0128
Powertrain
The engine takes too long to warm up, which almost always points to a thermostat stuck open.
Low
P0304
Powertrain
Cylinder 4 is misfiring. Its end or rear position makes water, oil and intake leaks common…
Moderate
Possible causes
- Worn, cracked or oil-soaked spark plug in cylinder 1, often from a leaking plug tube seal
- Failing ignition coil or cracked coil boot on cylinder 1
- Clogged or leaking fuel injector for cylinder 1
- Low compression in cylinder 1 (burned exhaust valve, tight valve clearance or worn rings)
Related codes
Source: NHTSA Complaints API (US government open data), analyzed by DTC mention.