× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1990 Honda Civic LX 1.5L Excessive Emissions, Poor Fuel Economy
Posted to Asian Driveability on 1/13/2000

car will run quite well at cruise, fuel control is reasonable, CAT is very weak, but is not the cause of my troubles. ECM does not control fuel mixture at idle. O2 sensor reads .9 volts and injector pulse width reamains fixed. I have substituted low resist...

  Related Documents & Media  1990 Honda Civic LX

 
Message Closed w/FIX

car Vehicle Data

1990 Honda Civic LX

VIN JHMEE2751L
Engine1.5 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI / TBI
EmissionsUS Fed emissions
SymptomsExcessive Emissions, Poor Fuel Economy
OccursIdle
Misc.Station Wagon

Trouble Codes

1O2 sensor circuit
10air temp. circuit
16injector circuit
6Cooltant sensor circuit
Message Closed w/FIX

car Vehicle Data

1990 Honda Civic LX

VIN JHMEE2751L
Engine1.5 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFI / TBI
EmissionsUS Fed emissions
SymptomsExcessive Emissions, Poor Fuel Economy
OccursIdle
Misc.Station Wagon

Trouble Codes

1O2 sensor circuit
10air temp. circuit
16injector circuit
6Cooltant sensor circuit