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1989 Ford F-150 Custom 4.9L Poor Idle Quality, Hesitation, Surge, Stall
Posted to Ford Driveability on 2/17/2009 13 Replies

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...

13 Replies Received (View Replies)

  Related Documents & Media  1989 Ford F-150 Custom

 
Message Closed w/FIX

car Vehicle Data

1989 Ford F-150 Custom

VIN 1FTEF14Y8K
Engine4.9 L / 6 cyl / GAS
Trans4-speed Standard
DeliveryFI / EFI
EmissionsUS
SymptomsPoor Idle Quality, Hesitation, Surge, Stall
OccursAlways, Cold, Under Load, Idle, Worse When Cold
Misc.Koeo Codes 22, 63, 33

Trouble Codes

22map sensor input is out of selftest range
33egr is not opening
63tp sensor input is less than selftest minimum
Message Closed w/FIX

car Vehicle Data

1989 Ford F-150 Custom

VIN 1FTEF14Y8K
Engine4.9 L / 6 cyl / GAS
Trans4-speed Standard
DeliveryFI / EFI
EmissionsUS
SymptomsPoor Idle Quality, Hesitation, Surge, Stall
OccursAlways, Cold, Under Load, Idle, Worse When Cold
Misc.Koeo Codes 22, 63, 33

Trouble Codes

22map sensor input is out of selftest range
33egr is not opening
63tp sensor input is less than selftest minimum