P1557 DTC For Ford Expedition
Ford Expedition Engine Specifications:
| Engine Type : | Multi-Cylinder Engine |
| Cylinder Type : | V-Type Engine |
| Engine Air Intake Process : | Supercharged Engine |
Your Ford Expedition engine control system detects a problem, the computer stores the diagnostic trouble
code P1557 in its memory.
To figure out what is wrong with your vehicle you must first extract the P1557 DTC For Ford Expedition.
To solve P1557 Ford Expedition problem, you'll have to remove the muffler, crankcase and other components blocking the valve chamber. Then, remove the cylinder head bolts (label for easy re-installation) Adjust the jaws of the valve spring compressor until they touch the top and bottom of the valve chamber Push the tool in to compress the spring and tighten the jaws Remove the retainers and lift out the valves , compressors and springs
P1557 Ford Expedition DTC Meaning
| P |
Powertrain Code - Problem is related engine, transmission and emissions systems. |
| 1 |
MFG - Manufacturer Specific |
| 5 |
Auxiliary Emission Controls |
| 5 |
BBV Sensor Circuit Low Voltage |
| 7 |
Cruise Control System - Vehicle Accel Too High |
The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. P1557 Ford Expedition code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.
You can also check other Ford car models :
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The listed Ford models will give information about P1557 DTC.
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