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Honda Civic DX: check engine light..ecm..distributor..rotor…

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asked this question but never...
asked this question but never got answer...1988 Honda Civic DX now with 1990 Civic engine..has been getting poor gas mileage so I changed the Oxygen Sensor and got about 10 mpg improvement for 2 to 3 days..now it is getting bad gas mileage again..the Oxygen Sensor is a Bosch purchased from O'Reilly Auto Parts...yes the check engine light is on and the ECM is flashing code 19. The distributor is new but dont know if rotor is..sometimes it starts hard & believe the ignition is going bad..dont know if it is the switch or the wiring
Submitted: 8 years ago.Category: Honda
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Answered in 1 hour by:
6/17/2010
Mechanic for Honda: thebesthonda, ASE MasterTechnician replied 8 years ago
thebesthonda
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