
2005 Honda Civic EX 1.7L Excessive Emissions, MIL Lamp on
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.
FIX posted 8/29/2008
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Message Closed w/FIX
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VIN | 1HGEM22985 |
Engine | 1.7 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, MIL Lamp On |
Occurs | Always |
Trouble Codes
P2A00 | Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance |
Message Closed w/FIX
Vehicle Data
2005 Honda Civic EX
VIN | 1HGEM22985 |
Engine | 1.7 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / sefi |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, MIL Lamp On |
Occurs | Always |
Trouble Codes
P2A00 | Air Fuel Sensor (Bank 1 Sensor 1) Range/Performance |