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1999 Ford F-150 4.2L Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on
Posted to Ford Driveability on 3/10/2014 5 Replies

Hey guys, this 99 f150 came with poor idle quality load/no loa, dtc P1583 IMRC stuck open. I've pulled off the plenum to gain access to the runner control valve. It ,oves when turning by hand. Linkages are a little sloppy but intact. 12v circuit good & ground ...

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  Related Documents & Media  1999 Ford F-150

 
Message Closed w/FIX

car Vehicle Data

1999 Ford F-150

VIN [No VIN Available]
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp On
OccursIdle
Misc.P1538

Trouble Codes

P1538Air Conditioning Request Circuit High Input
Message Closed w/FIX

car Vehicle Data

1999 Ford F-150

VIN [No VIN Available]
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp On
OccursIdle
Misc.P1538

Trouble Codes

P1538Air Conditioning Request Circuit High Input