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2005 Honda Civic EX 1.7L Excessive Emissions, MIL Lamp on
Posted to Asian Driveability on 8/28/2008 7 Replies

came in with heated o2 circuit error /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.

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  Related Documents & Media  2005 Honda Civic EX

 
Message Closed w/FIX

car Vehicle Data

2005 Honda Civic EX

VIN 1HGEM22985
Engine1.7 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, MIL Lamp On
OccursAlways

Trouble Codes

P2A00Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance
Message Closed w/FIX

car Vehicle Data

2005 Honda Civic EX

VIN 1HGEM22985
Engine1.7 L / 4 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, MIL Lamp On
OccursAlways

Trouble Codes

P2A00Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance