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1989 Ford F-250 Custom 5.8L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy
Posted to Ford Driveability on 12/11/2001 5 Replies

Hello all,

This one had an old continuous mem code 34. Ran new scan and no codes at all. Check EVP signal with Vantage and got the results mentioned. On start up it idles rough for a few seconds then smooths out. But always smells like it is rich. I thought m...

5 Replies Received (View Replies)

  Related Documents & Media  1989 Ford F-250 Custom

 
Message Closed

car Vehicle Data

1989 Ford F-250 Custom

VIN 1FTHF25H9K
Engine5.8 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / MPI
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy
OccursAlways

Trouble Codes

34EVP Sensor signal to high when egr is closed
Message Closed

car Vehicle Data

1989 Ford F-250 Custom

VIN 1FTHF25H9K
Engine5.8 L / 8 cyl / GAS
Trans5-speed Standard
DeliveryFI / MPI
SymptomsExcessive Emissions, Poor Idle Quality, Poor Fuel Economy
OccursAlways

Trouble Codes

34EVP Sensor signal to high when egr is closed