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1989 Ford F-150 Custom 4.9L Surge, Poor Fuel Economy
Ok guys,i have a question i hope somebody can help us [...] seems too know the correct [...] this ford truck, the exhaust backpressure at idle [.5lbs] at 3000RPM it is [7.5-8.0lbs].Way to high in my opinion at [...] is the actual spec for back pressure at crui...
FIX posted 6/13/2000
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| VIN | 1FTEF15Y2K |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | FI |
| Symptoms | Surge, Poor Fuel Economy |
| Occurs | Hot, Cruise |
Trouble Codes
| 29 | vss error |
| 34 | egr |
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Vehicle Data
1989 Ford F-150 Custom
| VIN | 1FTEF15Y2K |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | FI |
| Symptoms | Surge, Poor Fuel Economy |
| Occurs | Hot, Cruise |
Trouble Codes
| 29 | vss error |
| 34 | egr |
Video