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Acadia Denali, FWD
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Different car
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Section 89 (Engine Controls And Fuel - 3.6L (LF4 LGX) - DTC P0121 LF4 To DTC P0685 LF4)
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Diagnostic Information and Procedures
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DTC P0627-P0629: Fuel Pump Speed (LGX)
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Diagnostic Fault Information
Diagnostic Fault Information
WARNING:
This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Circuit
Short to Ground
Open/High Resistance
Short to Voltage
Signal Performance
Fuel Pump Speed Output
P0627, P0628
P0627, P0628
P0629
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