U0340 DTC For Ford 427

Ford 427 Engine Specifications:
Engine Type :Multi-Cylinder Engine
Cylinder Type :V-Type Engine
Engine Air Intake Process :Supercharged Engine

Your Ford 427 engine control system detects a problem, the computer stores the diagnostic trouble code U0340 in its memory. To figure out what is wrong with your vehicle you must first extract the U0340 DTC For Ford 427.

On 1999 and later U0340 Ford 427 engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

U0340 Ford 427 DTC Meaning

U Network Code - Problem is climate control system, lighting, airbags, etc.
0 SAE - Generic
3 IC Module 4X Ref Circuit Intermittent, No Pulses
4 Control Module Throttle Actuator Position Performance
0 Transmission Engaged At High Throttle Angle

The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. U0340 Ford 427 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.

U0339 DTC (Previous DTC Code) ( Next DTC Code ) U0341 DTC
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