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1989 Ford F-150 Custom 4.9L Poor Idle Quality, Hesitation, Surge, Stall
upon inspection i found throttle body leakage and repaired with new gasket. this didn't help condition at [...] basics with good compression and fuel pressure readings. when i unplug the map sensor the vehicle runs better but the idle is higher,replaced sensor...
FIX posted 2/22/2009
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Related Documents & Media | VIN | 1FTEF14Y8K |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | FI / EFI |
| Emissions | US |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Stall |
| Occurs | Always, Cold, Under Load, Idle, Worse When Cold |
| Misc. | Koeo Codes 22, 63, 33 |
Trouble Codes
| 22 | map sensor input is out of selftest range |
| 33 | egr is not opening |
| 63 | tp sensor input is less than selftest minimum |
Message Closed w/FIX
Vehicle Data
1989 Ford F-150 Custom
| VIN | 1FTEF14Y8K |
| Engine | 4.9 L / 6 cyl / GAS |
| Trans | 4-speed Standard |
| Delivery | FI / EFI |
| Emissions | US |
| Symptoms | Poor Idle Quality, Hesitation, Surge, Stall |
| Occurs | Always, Cold, Under Load, Idle, Worse When Cold |
| Misc. | Koeo Codes 22, 63, 33 |
Trouble Codes
| 22 | map sensor input is out of selftest range |
| 33 | egr is not opening |
| 63 | tp sensor input is less than selftest minimum |
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