OBD-II code · Powertrain (generic)

P0290 Cylinder 10 Contribution/Balance

Cylinder 10 contributes less power than expected.

Is it safe to drive with P0290?

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 10

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 Cyl10, Ignition Coil Cyl10

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