Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Engine Identification
Engine identification code is stamped on right rear of cylinder block as viewed from flywheel, below cylinder head mating surface. The first 5 characters of the code indicate engine type. The last 7 numbers of the code indicate engine serial number. Engine serial numbers starting from 2000001 indicate California vehicle. Engine serial numbers starting from 2300001 indicate Federal vehicle.
| Application | Engine Code | |
|---|---|---|
| Integra | ||
| 1.8L 4-Cylinder | B18A1 | |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.