× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1989 Dodge D250 5.9L Poor Fuel Economy
Posted to Chrysler Driveability on 10/17/2003 11 Replies

I have a high fuel pressure [...] checking for vacuum at pressure regulator no vacuum found. I checked vacuum porty on tbi unit and was clear. Vacuum port is above throttle plate much like ported vacuum, but it is a straight hole into tbi unit. If i change vac...

11 Replies Received (View Replies)

  Related Documents & Media  1989 Dodge D250

 
Message Closed w/FIX

car Vehicle Data

1989 Dodge D250

VIN 1J4F168S5S
Engine5.9 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsFED
SymptomsPoor Fuel Economy
OccursAlways

Trouble Codes

52rich air fuel
Message Closed w/FIX

car Vehicle Data

1989 Dodge D250

VIN 1J4F168S5S
Engine5.9 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFI / TBI
EmissionsFED
SymptomsPoor Fuel Economy
OccursAlways

Trouble Codes

52rich air fuel