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P2177 Diagnostic Trouble Code Discussion for December 2013

Fuel System Too Lean At Off Idle (Bank 1)


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Trouble Ticket Help Requests for DTC P2177
Help Request Posted
2007 Mazda 3 i 2.0L MIL Lamp on VIN: JM1BK32F97
P2177: Fuel System Too Lean At Off Idle (Bank 1). This one is a little confusing to me. Car runs lean off idle. Runs like a champ. Dont let the mileage fool you. Car has been well maintained and is very clean. Sitting at idle the lt fuel trim is at 3-ish. As soon as you open the throttle plate (even barely) t...
December 03, 2013
2007 Mazda 3 i 2.0L MIL Lamp on VIN: JM1BK32F97
P2177: Fuel System Too Lean At Off Idle (Bank 1). This one is a little confusing to me. Car runs lean off idle. Runs like a champ. Dont let the mileage fool you. Car has been well maintained and is very clean. Sitting at idle the lt fuel trim is at 3-ish. As soon as you open the throttle plate (even barely) t...
December 04, 2013
2007 Mazda CX-7 Touring 2.3L MIL Lamp on VIN: JM3ER29327
P2177: Fuel System Too Lean At Off Idle (Bank 1). ... on this cx7. Car came in with the check engine light on had code P2177 i erased code and took it for a test drive with scanner hooked up and pids stft and ltft on graphing mode i saw short term jump to 25 onces going highway speeds after i got back to shop...
December 28, 2013