p0301
Moderate
RAM · Trucks
Cylinder 1 Misfire
Quick Answer
Error code P0301 on your RAM Trucks means: Cylinder 1 Misfire. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Scan for additional misfire codes to identify pattern
2
Replace spark plug in cylinder 1 with correct gap
3
Test ignition coil 1 resistance with ohmmeter
4
Perform cylinder compression test
5
Inspect fuel injector spray pattern with diagnostic equipment
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Spark plug
Ignition coil
Fuel injector
Compression test kit
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