P2177 on the 2009 Mazda CX-7
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| 01-009-13-2764 | 2017-04-13. Service bulletin. SOME VEHICLES MAY EXHIBIT A LACK OF POWER WITH MIL ILLUMINATION AND DTCS P2187 / P2177 STORED IN MEMORY. •P2187: FUEL SYSTEM TOO LEAN AT IDLE•P2177: FUEL SYSTEM TOO LEAN AT OFF IDLETHIS CONCERN MAY BE CAUSED BY A/F SENSOR WIRE HARNESS COVER DAMAGE DUE TO BRAKE FLUID SPILLAGE DURING A PRE-VIOUS SERVICE OR REPAIR. THE BRAKE FLUID DAMAGES THE WIRE HARNESS COVER AND CAUSES A SHORT TO THE SHIELD WIRE. AN A/F SENSOR SHORT CORD (WITH SHIELD WIRE) HAS BEEN NEWLY ESTABLISHED TO REPAIR THE HARNESS. |
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1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.