2000 Honda Accord SE 2.3L MIL Lamp on
The problem I am having on this Honda is with the upstream O2 sensor. On a lab scope, the sensor signal is fixed at 2.5 volts. If the sensor is disconnected, on the harness side, the signal wire has 2.5 volts (Coming from the PCM, to the sensor). So does the o...
FIX posted 2/15/2017
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Message Closed w/FIX
Vehicle Data2000 Honda Accord SE
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2000 Honda Accord SE
VIN | JHMCG6690Y |
Engine | 2.3 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / sefi |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0420 | Catalyst Efficiency Below Threshold (Bank 1) |