2012 HONDA Civic R18Z1/R18A1 (FB/FG (depending on market/body style))
FB/FG (depending on market/body style) / Sedan, Coupe, Hatchback (varies by market) / Global (with regional variations: North America, Europe, Asia, Australia)
R18Z1R18A1R18Z4R20A2K24Z3Exact year/trim recordSilver
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Starter motor issues in early 2012 models
- Transmission hesitation under certain conditions
- Excessive oil consumption reported in some 2.0L variants
First checks
- Verify regional engine code as Honda offered different engines for US, Europe, Asia
- Check oil quality and consumption history due to known 2.0L concerns
- Confirm transmission type and maintenance records
Before replacing parts
- Save fault codes and freeze-frame data before clearing anything.
- Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
- Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.
Important notes
- Global variations exist in engine offerings, transmissions, and body styles during 2012.
- The 9th generation Civic was sold in multiple body styles and trims globally but engine and trim combinations differ markedly.