Front of Engine Components (LHU)

2013 Buick Regal Turbo Premium, Standard TransSECTION Front of Engine Components (LHU)
WARNING: This page is about a different car, the 2012 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
GM2451789Courtesy of
Front of Engine Components (LHU)

Component Name Callout
G13 Generator 1
B68A Knock Sensor 1 2
Q40 Turbocharger Bypass Solenoid Valve 3
Q12 Evaporative Emission Purge Solenoid Valve 4
B74 Manifold Absolute Pressure Sensor 5
Q38 Throttle Body 6
G18 High Pressure Fuel Pump 7
B47B Fuel Rail Pressure Sensor 8
Q17A Fuel Injector 1 9
Q17B Fuel Injector 2 10
Q17C Fuel Injector 3 11
Q17D Fuel Injector 4 12
B68B Knock Sensor 2 13
B37 Engine Oil Pressure Switch 14
B26 Crankshaft Position Sensor 15
M64 Starter Motor 16
B35 Engine Oil Level Switch 17
B111B Turbocharger Boost and Intake Temperature Sensor 18
Q46 A/C Compressor Solenoid Valve 19
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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.