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1990 Ford F-250 Custom 7.5L Excessive Emissions
Posted to Ford Driveability on 4/15/2005 7 Replies

This thing fails smog with NOx 600ppm above level at both 15 and 25 mph. EGR solenoid DOES NOT come on below 55mph, hence no EGR during smog inspection. EVP is at .44 volts, valve closed, ground EVR sends voltage over 4 volts. KOER, code 11, EGR is activated d...

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Message Closed w/FIX

car Vehicle Data

1990 Ford F-250 Custom

VIN 1FTHX26G1L
Engine7.5 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions
OccursDuring Smog Check
Message Closed w/FIX

car Vehicle Data

1990 Ford F-250 Custom

VIN 1FTHX26G1L
Engine7.5 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsExcessive Emissions
OccursDuring Smog Check