What does code P1344 mean?

Q: What does code P1344 mean?

Misfire During Start Cylinder 2. P1344 on a BMW means the engine control module detected a misfire specifically on cylinder 2 during the engine start sequence, before the engine reaches normal operating speed. The computer monitors crankshaft speed fluctuations during cranking and flags this code when cylinder 2 fails to contribute its expected power pulse, indicating a combustion problem isolated to that cylinder at startup.

DTC codes / BMW codes / P1344

P1344 · BMWMisfire During Start Cylinder 2

P1344 on a BMW means the engine control module detected a misfire specifically on cylinder 2 during the engine start sequence, before the engine reaches normal operating speed. The computer monitors crankshaft speed fluctuations during cranking and flags this code when cylinder 2 fails to contribute its expected power pulse, indicating a combustion problem isolated to that cylinder at startup.

SystemPowertrain

Code typeBMW specific

SeverityMedium

Fix difficultyIntermediate

AreaIgnition system and misfire

Guidance is general and written for BMW vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.