Engine Components - Left Front (LZ0)

2025 Chevrolet Tahoe PPV, 4WDSECTION Engine Components - Left Front (LZ0)
GM6685739Courtesy of GENERAL MOTORS COMPANY
Items
1. B193B Charge Air Cooler Air Temperature Sensor - Outlet (LZ0) B193B Charge Air Cooler Air Temperature Sensor - Outlet (LZ0)
2. Q20 Intake Airflow Control Valve (LZ0) Q20 Intake Airflow Control Valve (LZ0)
3. B193A Charge Air Cooler Air Temperature Sensor - Inlet (LZ0) B193A Charge Air Cooler Air Temperature Sensor - Inlet (LZ0)
4. B321 Crankcase Pressure Sensor (LZ0) B321 Crankcase Pressure Sensor (LZ0)
5. Q18B Fuel Pressure Regulator 2 (LZ0) Q18B Fuel Pressure Regulator 2 (LZ0)
6. B65 Manifold Absolute Pressure and Intake Air Temperature Sensor (LZ0) B65 Manifold Absolute Pressure and Intake Air Temperature Sensor (LZ0)
7. Q18C Fuel Pressure Regulator 3 (LZ0) Q18C Fuel Pressure Regulator 3 (LZ0)
8. Q18A Fuel Pressure Regulator 1 (LZ0) Q18A Fuel Pressure Regulator 1 (LZ0)
9. Q74 Engine Coolant Bypass Valve (LZ0) Q74 Engine Coolant Bypass Valve (LZ0)
10. Q97M Engine Coolant Flow Control Valve - Main (LZ0) Q97M Engine Coolant Flow Control Valve - Main (LZ0)
11. Q46 Air Conditioning Compressor Solenoid Valve Q46 Air Conditioning Compressor Solenoid Valve
12. G1 Air Conditioning Compressor
13. Q2 Air Conditioning Clutch Q2 Air Conditioning Clutch
14. G13 Generator G13 Generator X1 , or G13 Generator X2 (LZ0)
15. Q22 Intake Manifold Tuning Solenoid Valve (LZ0) Q22 Intake Manifold Tuning Solenoid Valve (LZ0)
16. B96 Cylinder Head Temperature Sensor (LZ0) B96 Cylinder Head Temperature Sensor (LZ0)
17. B47B Fuel Rail Pressure Sensor (LZ0) B47B Fuel Rail Pressure Sensor (LZ0)
RENDER: 1.0x

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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.