× 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 1.5L MIL Lamp on
Posted to Asian Driveability on 6/18/1998 1 Reply

Hello Group!!

MIL comes on while driving at steady speed. Monitered O2 sensor with lab scope. Looks good at idle. At cruise speed ([...] rpm) sensor looks good then goes to .8v and flat lines. If the cooling fan comes on it will start switching again or if th...

1 Replies Received (View Replies)

  Related Documents & Media  1990 Honda Civic

 
Message Closed w/FIX

car Vehicle Data

1990 Honda Civic

VIN 1HGED3645L
Engine1.5 L / 4 cyl
EmissionsOBDI
SymptomsMIL Lamp On
OccursCruise

Trouble Codes

1O2 content
Message Closed w/FIX

car Vehicle Data

1990 Honda Civic

VIN 1HGED3645L
Engine1.5 L / 4 cyl
EmissionsOBDI
SymptomsMIL Lamp On
OccursCruise

Trouble Codes

1O2 content