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Engine Controls and Fuel - 3.6L - Introduction: Overhaul Cadillac STS I facelift

Testing & Diagnostics

Fuel Rail Assembly

The fuel rail assembly (3) attaches to each cylinder head. The fuel rail distributes high pressure fuel to the fuel injectors. The fuel rail assembly consists of the following components

  1. Six fuel injectors
  2. A fuel rail pressure (FRP) sensor

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