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1994 Ford F-250 XL 7.5L Excessive Emissions
Posted to Ford Driveability on 8/11/2014 10 Replies

vehicle is failing smog test due to high nox levels With scanner hooked up and viewing pids egr solenoid is commanded on only under a very hard accell and not commanded on while under light load also noticed vehicle seems to go in and out of closed loop at 200...

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car Vehicle Data

1994 Ford F-250 XL

VIN 1FTHX26G4R
Engine7.5 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection
SymptomsExcessive Emissions
OccursUnder Load
Misc.Flat Bed
Message Closed

car Vehicle Data

1994 Ford F-250 XL

VIN 1FTHX26G4R
Engine7.5 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection
SymptomsExcessive Emissions
OccursUnder Load
Misc.Flat Bed