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2007 Ford Focus SE 2.0L Excessive Emissions, Poor Idle Quality, Surge, MIL Lamp on
This one has me puzzled. At idle it runs lean, LTFT goes around 25%, and the engine starts to surge. Rev the engine, say [...], and it goes way rich, LTFT goes around -25%. At idle if I add propane, the fuel trims go normal and the idle smooths out. At fir...
FIX posted 12/29/2023
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Related Documents & Media | VIN | 1FAHP31N67 |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / Multi-Port |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, MIL Lamp On |
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Vehicle Data
2007 Ford Focus SE
| VIN | 1FAHP31N67 |
| Engine | 2.0 L / 4 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / Multi-Port |
| Emissions | OBD-II Compliant |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, MIL Lamp On |
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