× 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
1986 Ford Mustang LX 3.8L Excessive Emissions
Posted to Ford Driveability on 12/2/2004 9 Replies

I've been fighting this thing for 2 weeks now and don't know what else to do to it. The problem is that it won't pass smog. The engine seems to go into open loop at idle. Off idle the system takes over and adjusts the injectors, I get a nice sine wave patern f...

9 Replies Received (View Replies)

  Related Documents & Media  1986 Ford Mustang LX

 
Message Closed

car Vehicle Data

1986 Ford Mustang LX

VIN 1FABP2737G
Engine3.8 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsCa
SymptomsExcessive Emissions
OccursAlways, Idle
Misc.Conv

Trouble Codes

31epv out of rangeand was replaced
Message Closed

car Vehicle Data

1986 Ford Mustang LX

VIN 1FABP2737G
Engine3.8 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsCa
SymptomsExcessive Emissions
OccursAlways, Idle
Misc.Conv

Trouble Codes

31epv out of rangeand was replaced