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1989 Ford Thunderbird 3.8L High Idle Always
Car runs about 2500 rpm all the time. MAP 154.9 Hz ok coolant temp. 2000 ohms ok tps .9 ok above items at idle (2500 rmp) I have checked for vacuum leaks with a smoke machine and carb. spray found none. KOEO 12 volts on red? wire at IAC motor, wire to computer...
FIX posted 8/29/2000
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| VIN | [No VIN Available] |
| Engine | 3.8 L / 6 cyl |
| Emissions | OBD 1 |
| Symptoms | High Idle Always |
| Occurs | Always |
| Misc. | 2-Door Rwd Not Super/Turbo |
Trouble Codes
| 12 | KOER idle speed out of range may have codes reversed |
| 13 | KOER cannot adjust idle speed |
Message Closed w/FIX
Vehicle Data
1989 Ford Thunderbird
| VIN | [No VIN Available] |
| Engine | 3.8 L / 6 cyl |
| Emissions | OBD 1 |
| Symptoms | High Idle Always |
| Occurs | Always |
| Misc. | 2-Door Rwd Not Super/Turbo |
Trouble Codes
| 12 | KOER idle speed out of range may have codes reversed |
| 13 | KOER cannot adjust idle speed |
Video