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SECTION 303-14: Electronic Engine Controls
2000 F-150 Workshop Manual
REMOVAL AND INSTALLATION
Engine Coolant Temperature (ECT) Sensor — 4.6L and 5.4L
Removal and Installation
The ECT sensor:
The ECT measures the temperature of the engine coolant. The sensor is threaded into an engine coolant passage.
SOURCE: Ford 460 Engine Temp sensor
looking at the front of the engine, just to the right and behind the distributor cap. You will see a wire attached (push on).
SOURCE: coolant in # 1 cylnder\clean intake port of intake manifold
Check the lower intake gasket again the new gaskets that are being use made out of plastic with rubber port seals sometimes don't seal right I still used gasket sealer with the new plastic gasket even if it has rubber seals. MY 4.2 v6 had that problem but I went ahead and replaced the head gaskets also just to cover all the bases. And my F-150 has 210,000 miles on it. Make sure you tight the bolts I know it probably calls for something like 8 ft lbs which to me is not tight enough. Double it.
SOURCE: sensor locations
air intake look at snorkel it could be part of mass air flow check intake for eng coolant
SOURCE: 2005 Ford F150, 5.4L V8, 4x4; The transfer case
Encoder motor located on the transfer case is usually the problem. It is the motor that shifts the transfer case.
Testimonial: "Will look into this and report .Thanks so much"
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