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.
External Pages
's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle. Different car Section 1 (Engine Mechanical (VQ35HR)) Section 2 (Heater & Air Conditioning System (VQ35HR)) Section 3 (Engine Cooling System (VQ35HR)) Section 4 (Exhaust System (VQ35HR)) Section 5 (Engine Lubrication System (VQ35HR)) Section 6 (Front Suspension (2WD)) Section 7 (Automatic Transmission) Section 8 (Front Axle (2WD)) Section 9 (System Wiring Diagrams) Section 10 (Engine Control System - Introduction (VQ35HR)) Section 11 (Engine Control System - DTCS U0101 To P0153 (VQ35HR)) Section 12 (Engine Control System - DTCS P0137 To P0451 (VQ35HR)) Section 13 (Engine Control System - DTCS P0452 To P1217 (VQ35HR)) Section 14 (Engine Control System - DTCS P1225 To P2A03 (VQ35HR)) Section 15 (Engine Control System - Component Testing (VQ35HR))
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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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