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1999 Ford F-250 Super Duty XL 5.4L Poor Idle Quality, lope at idle
after the engine warms up it has a serious lope at idle. The timming is affected, O2 sensor voltages low,the throttle position sensor voltage is high around 1.07 the mas sensor voltage was way high and a replacement was tried. tried to raise base idle above 55...
FIX posted 11/23/2001
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Related Documents & Media | VIN | 1FTNXZ0LXX |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Lope at Idle |
| Occurs | Hot, Idle, at Idle After Closed Loop |
Message Closed w/FIX
Vehicle Data
1999 Ford F-250 Super Duty XL
| VIN | 1FTNXZ0LXX |
| Engine | 5.4 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Lope at Idle |
| Occurs | Hot, Idle, at Idle After Closed Loop |
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