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1989 Ford F-150 Custom 5.0L High Idle Speed
This truck came to me idling at about 1500 rpm. When first started, it will idle at 2000 and then come down to 1500. I gave it a tune up because it had never been touched in 70000 miles (even had the orig fuel filter). I removed the throttle body and clean...
FIX posted 11/15/1999
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Related Documents & Media 
| VIN | 1FTDF15NOK |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US Fed Emissions |
| Symptoms | High Idle Speed |
| Occurs | Always, Cold, Hot |
Trouble Codes
| 12 | KOER unable to control idle speed |
| 13 | KOER unable to control idle speed |
Message Closed w/FIX
Vehicle Data
1989 Ford F-150 Custom
| VIN | 1FTDF15NOK |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Emissions | US Fed Emissions |
| Symptoms | High Idle Speed |
| Occurs | Always, Cold, Hot |
Trouble Codes
| 12 | KOER unable to control idle speed |
| 13 | KOER unable to control idle speed |
Video