P2A00 Diagnostic Trouble Code Discussion for August 2008
Air Fuel Sensor (Bank 1 Sensor 1) Circuit Range / Performance
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P2A00
| Help Request | Posted | |
| 2005 Honda Civic EX 1.7L Excessive Emissions, MIL Lamp on VIN: 1HGEM22985 P2A00: Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance. ... /sen. 1/. Open circuit on 3-4 wire. Replaced w/ denso unit. Now have P1172(P2A00). Check voltage at 3-4 of harness, 9.5v. Check 3 to gnd. = 12 v. Check 4 to gnd. & have 2.5 volts. Checked and cleans gnd. that I could find. |
August 28, 2008 |
