P1181 - Fuel Delivery System - High

2004 Ford Focus ZX3, 2.3 Z, StandardSECTION P1181 - Fuel Delivery System - High
P1181 - FUEL DELIVERY SYSTEM - HIGH

Description:  The PCM receives fuel tank pressure (FTP) information from the natural gas (NG) module, which uses the information to infer the fuel rail pressure (FRP). The test fails when the inferred pressure is higher than a maximum calibrated value.
Possible Causes: 
  • Fuel pressure regulator.
Diagnostic Aids:  -
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All - - GO to HB: Natural Gas Fuel Delivery System STEP 29
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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