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P2178 Diagnostic Trouble Code Discussion for September 2014

Fuel System Too Rich At Off Idle

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Trouble Ticket Help Requests for DTC P2178
Help Request Posted
2005 Cadillac SRX 3.6L Poor Idle Quality, Stall, Misfire VIN: 1GYEE63765
P2178: Fuel Trim System Rich At Cruise or Acceleration (Bank 1). Need help From GM experts please; this Cadi SRX with the 3.6 has a intermittent stall/rough idle that happens on hot restarts after sitting especially. It won't idle by itself so you need to keep your foot on the gas to prevent it from stalling. Eventually it ...
September 01, 2014