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1986 Ford Bronco II 2.9L Excessive Emissions, Poor Fuel Economy
Ate my lunch, eating my dinner! Checked timing, idle base speed. Installed new MAP sensor and another ECM. No change. TPS sweeps fine on scope and base voltage is .936 volts at idle. Replace O2 sensor and repaired a buch of burned wiring at O2 sensor connector...
FIX posted 7/13/1999
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| VIN | 1FMCU14T6G |
| Engine | 2.9 L / 6 cyl |
| Emissions | California Emissions |
| Symptoms | Excessive Emissions, Poor Fuel Economy |
| Occurs | Always, Idle |
Trouble Codes
| 18 | no tach signal KOEO |
| 53 | TPS too high KOEO |
| 89 | converter clutch manual trans |
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Vehicle Data
1986 Ford Bronco II
| VIN | 1FMCU14T6G |
| Engine | 2.9 L / 6 cyl |
| Emissions | California Emissions |
| Symptoms | Excessive Emissions, Poor Fuel Economy |
| Occurs | Always, Idle |
Trouble Codes
| 18 | no tach signal KOEO |
| 53 | TPS too high KOEO |
| 89 | converter clutch manual trans |
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