× 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 Ford Aerostar 3.0L Excessive Emissions
Posted to Ford Driveability on 11/2/2000 1 Reply

This vehicle is in for a CA ASM Emission test. When we first got it it was full rich all the time. After changing the oxygen sensor the idle and cruise emissions are good, but under load (on the dyno) the CO readings go to 7%, actually it goes to seven per...

1 Replies Received (View Replies)

  Related Documents & Media  1990 Ford Aerostar

 
Message Closed w/FIX

car Vehicle Data

1990 Ford Aerostar

VIN 1FTCA14U5L
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Port Injection
SymptomsExcessive Emissions
OccursUnder Load
Message Closed w/FIX

car Vehicle Data

1990 Ford Aerostar

VIN 1FTCA14U5L
Engine3.0 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / Port Injection
SymptomsExcessive Emissions
OccursUnder Load