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1989 Ford F-250 Custom 5.8L Excessive Emissions, Poor Idle Quality
Posted to Ford Driveability on 10/5/2004 5 Replies

Ok. I think I have gotten lost in the forest. This truck came in for an IM240 failure due to high HC. IM240 Readings as follows for original run specs above are second run after plugs and wires.

4.98 GPM HC 20.11 GPM CO 4.8 GPM Nox 605 GPM CO2

After the O2 r...

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  Related Documents & Media  1989 Ford F-250 Custom

 
Message Closed w/Summary

car Vehicle Data

1989 Ford F-250 Custom

VIN 1FTHF25H1K
Engine5.8 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / EFI
SymptomsExcessive Emissions, Poor Idle Quality

Trouble Codes

41ho2s stuck low koer
Message Closed w/Summary

car Vehicle Data

1989 Ford F-250 Custom

VIN 1FTHF25H1K
Engine5.8 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / EFI
SymptomsExcessive Emissions, Poor Idle Quality

Trouble Codes

41ho2s stuck low koer