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1990 Ford Ranger S 2.9L Excessive Emissions
Posted to Ford Driveability on 4/20/2004 11 Replies

any idea what cause the system to run lean and failed dyno test with high nox..?

11 Replies Received (View Replies)

  Related Documents & Media  1990 Ford Ranger S

 
Message Closed w/Summary

car Vehicle Data

1990 Ford Ranger S

VIN 1FTCR10T3L
Engine2.9 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / SEFI
EmissionsCA.OBDI
SymptomsExcessive Emissions
OccursAlways

Trouble Codes

41o2 not switching
Message Closed w/Summary

car Vehicle Data

1990 Ford Ranger S

VIN 1FTCR10T3L
Engine2.9 L / 6 cyl / GAS
Trans5-speed Standard
DeliveryFI / SEFI
EmissionsCA.OBDI
SymptomsExcessive Emissions
OccursAlways

Trouble Codes

41o2 not switching