OBD-II code · Powertrain (generic)

P0281 Cylinder 7 Contribution/Balance

Cylinder 7 contributes less power than expected.

Is it safe to drive with P0281?

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 7

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 Cyl7, Ignition Coil Cyl7

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