OBD-II code · Powertrain (generic)

P0296 Cylinder 12 Contribution/Balance

Cylinder 12 contributes less power than expected.

Is it safe to drive with P0296?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyInjector or ignition coil weak on cylinder 12

Repair at a glance

Difficulty
Medium
DIY friendly
Often, with basic tools
Typical labour
1–6 h
Emissions test
Likely to fail
After the fix
A drive cycle is needed before the light stays off
Parts involved
Injector Cyl12, Ignition Coil Cyl12

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.