Mazda CX-7 2007–2009 — technical service bulletin
Bulletin 01-009-13-2764 · NHTSA communication 10097317 · issued Feb 26, 2013
Technical service bulletin
communication type
Fuel System, Gasoline
component
2007–2009
model years
3
vehicle entries
Official summary
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.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.