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 - Overview: Overview
The 3.3L engine which may also be described with these terms:
- DI - Direct injection
- PFI - Port fuel injection
- TIVCT - Twin independent variable camshaft timing
- V6 - 6 cylinder engine
- 24V - 4 valves per cylinder
- 4V - 4 valves per cylinder, 24 valves total
The 3.3L DOHC Gas
- 3.3L - Engine displacement
- DOHC - Dual overhead camshafts
- Gas/Petrol - Gasoline
The 3.3L (4V) is a V-6 engine with the following features:
- Dual overhead camshafts
- Four valves per cylinder
- Sequential Multi-Port Fuel Injection (SFI)
- Direct fuel Injection (DI)
- High-pressure fuel pump
- EGR (exhaust gas recirculation) valve
- Composite upper and lower intake manifold
- Variable displacement oil pump
- Aluminum cylinder head
- An aluminum, 60-degree V-cylinder block
- Twin independent variable cam timing (Ti-VCT)
- An electronic ignition system with 6 ignition coil-on-plugs
Engine Identification
For quick identification, refer to the safety certification decal.
The decal is located on the LH front door lock face panel.
Engine Code Information Label
The engine code information label, located on the front side of the valve cover, contains the following:
| Item | Description |
|---|---|
| 1 | Engine displacement |
| 2 | Engine plant (Lima) |
| 3 | Engine part number |
| 4 | Engine end of line ship date (DDMMMYYYY) |
| 5 | Engine build date (DDMMYY) |
Engine Cylinder Identification
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.