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1991 Ford E-150 Econoline Custom 5.0L Excessive Emissions
Posted to Ford Driveability on 3/2/2006 17 Replies

I'll bet some one has seen this before. This is one of those that I have so much time in I may miss some thing basic. To get to the chase when the EGR comes on the manifold vacuum drops & the O2 Sensor goes to 1.x volt. Lambra reading goes to .89-.87 even with...

17 Replies Received (View Replies)

  Related Documents & Media  1991 Ford E-150 Econoline Custom

 
Message Closed w/FIX

car Vehicle Data

1991 Ford E-150 Econoline Custom

VIN 1FTEE14N6M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsCa emissions
SymptomsExcessive Emissions
OccursHot, Under Load, Cruise

Trouble Codes

44air system not working
Message Closed w/FIX

car Vehicle Data

1991 Ford E-150 Econoline Custom

VIN 1FTEE14N6M
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / EFI
EmissionsCa emissions
SymptomsExcessive Emissions
OccursHot, Under Load, Cruise

Trouble Codes

44air system not working