Powertrain · P codes · 444 codes

Misfire & ignition

Cylinder misfires, ignition coils, spark and glow plugs, knock sensors and ion-sense circuits.

Codes in this group
444
Generic SAE codes · OBDex
Rated urgent
11%
47 codes · our rating
DIY-friendly
46%
203 codes · per OBDex
Typical labor
$65–$375
Median hours × $125/hr · est.
01 —Start here

Most looked-up codes in this group

02 —Full list

All 444 codes

Grouped by the first three characters of the code.

P03xx

186 codes

P05xx

1 code

P06xx

76 codes

P23xx

101 codes

P26xx

11 codes

P28xx

51 codes

P2Cxx

2 codes

P2Dxx

6 codes

P2Exx

10 codes
Code data: OBDex (CC0) · severity bars are our rating (low · moderate · urgent)
03 —More

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