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1991 Ford F-250 Custom 5.0L Poor Idle Quality
I'm going after a pinging and an occaisonal idle problem, but noted I get no data from the scanner. The ground terminal is good, the STO wire has 5 volts koeo. It will run the koeo and the koer tests. It seems the koeo test runs too quick and I don't hear anyt...
FIX posted 4/1/2003
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Message Closed w/FIX
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Related Documents & Media | VIN | 2FTHF26H9L |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
Trouble Codes
| 12 | rpm problem encountered during snap throttle test |
| 77 |
Message Closed w/FIX
Vehicle Data
1991 Ford F-250 Custom
| VIN | 2FTHF26H9L |
| Engine | 5.0 L / 8 cyl / GAS |
| Trans | 5-speed Standard |
| Delivery | FI |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
Trouble Codes
| 12 | rpm problem encountered during snap throttle test |
| 77 |
Video