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1990 Ford f150 4.9L Surge, Stall, lack of power
Posted to Ford Driveability on 4/18/2000

Truck came in no power problem. customer has replaced TPS, Fuel pump, TFI module. Truck runs fine when it is cold, but lose power and surges at idle, stall, getting worse as it is warmed up. Vacuum reading 15~18 at idle,8~10 at 2000rpm. Just like clogged C...

 
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car Vehicle Data

1990 Ford f150

VIN [No VIN Available]
Engine4.9 L / 6 cyl
Emissionsobd1
SymptomsSurge, Stall, Lack of Power
OccursHot
Message Closed

car Vehicle Data

1990 Ford f150

VIN [No VIN Available]
Engine4.9 L / 6 cyl
Emissionsobd1
SymptomsSurge, Stall, Lack of Power
OccursHot