
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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Message Closed w/FIX
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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 |