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1991 Ford E-250 Econoline Custom 5.8L Poor Idle Quality, Hesitation, Surge
Can't seem to nail this one. Has a serious rolling surge just above throttle tip-in. Idle stability not good. Had code for O2. Replaced sensor. Code gone. Removed IAC. Cleaned and re-installed. Did sweep test on TPS. Found a hole. Replaced sensor, base gas...
FIX posted 2/25/1999
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| VIN | 1FTFE24H9M |
| Engine | 5.8 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Symptoms | Poor Idle Quality, Hesitation, Surge |
| Occurs | Always |
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Vehicle Data
1991 Ford E-250 Econoline Custom
| VIN | 1FTFE24H9M |
| Engine | 5.8 L / 8 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / EFI |
| Symptoms | Poor Idle Quality, Hesitation, Surge |
| Occurs | Always |
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