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1989 Dodge D250 5.9L Poor Fuel Economy
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...
FIX posted 10/21/2003
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Message Closed w/FIX
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| VIN | 1J4F168S5S |
| Engine | 5.9 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | FED |
| Symptoms | Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| 52 | rich air fuel |
Message Closed w/FIX
Vehicle Data
1989 Dodge D250
| VIN | 1J4F168S5S |
| Engine | 5.9 L / 8 cyl / GAS |
| Trans | 3-speed Automatic |
| Delivery | FI / TBI |
| Emissions | FED |
| Symptoms | Poor Fuel Economy |
| Occurs | Always |
Trouble Codes
| 52 | rich air fuel |
11 Replies Received
11 Replies Received
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