P0301 on Ford Vehicles: Cylinder 1 Misfire Detected
Cylinder 1 is repeatedly failing to fire. The cause is almost always its coil, plug, injector or compression. P0301 →
127Complaints mentioning the code
#1Rank among 17 brands
4.9%Share of Ford DTC complaints
In NHTSA owner complaints we analyzed for Ford, P0301 was mentioned 127 times.
Notes by brand
The 5.4L three-valve V8 (F-150, Expedition) uses a two-piece spark plug design that is well known for breaking off in the head during removal. If cylinder 1 needs a new plug, follow Ford's removal procedure or have a shop with the extraction tool do it.
Most mentioned models
| Ford Escape | 52 | |
|---|---|---|
| Ford Edge | 41 | |
| Ford Fusion Energi | 13 | |
| Ford Fusion Hev | 8 | |
| Ford Fusion | 4 | |
| Ford Mustang | 4 |
Model years mentioned
Components named in these complaints
- Engine (116)
- Power Train (14)
- Engine And Engine Cooling (11)
- Fuel/propulsion System (7)
- Unknown Or Other (6)
Reports with a crash: 2 · fire: 1 · injuries: 1
Often appears together with
P0316
Powertrain
The engine misfired right after starting, when the catalytic converter is cold and emissions…
Low
P0300
Powertrain
The engine computer sees misfires that jump between cylinders or hit several cylinders at once.
High
P0304
Powertrain
Cylinder 4 is misfiring. Its end or rear position makes water, oil and intake leaks common…
Moderate
P0217
Powertrain
The engine overheated. Stop driving: continuing can warp the head, blow the head gasket…
Critical
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.