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.
2008 Infiniti G35 BaseFACTORY OEM SERVICE PROCEDURE
Engine Control System - DTCS P0137 Through P0430
- DTC P0137, P0157: Ho2S2
- DTC P0138, P0158: Ho2S2
- DTC P0139, P0159: Ho2S2
- DTC P0171, P0174: Fuel Injection System Function
- DTC P0172, P0175: Fuel Injection System Function
- DTC P0181: FTT Sensor
- DTC P0182, P0183: FTT Sensor
- DTC P0196: EOT Sensor
- DTC P0197, P0198: EOT Sensor
- DTC P0122, P0123, P0227, P0228: TP Sensor
- DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306: Misfire
- DTC P0327, P0328, P0332, P0333: KS
- DTC P0335: CKP Sensor (Pos)
- DTC P0340, P0345: CMP Sensor (Phase)
- DTC P0420, P0430: Three Way Catalyst Function
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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