U1003 DTC For Ford 427
Ford 427 Engine Specifications:
| Engine Type : | Single Cylinder Engine |
| Cylinder Type : | Opposite Piston Engine |
| Engine Air Intake Process : | Supercharged Engine |
Your Ford 427 engine control system detects a problem, the computer stores the diagnostic trouble
code U1003 in its memory.
To figure out what is wrong with your vehicle you must first extract the U1003 DTC For Ford 427.
On 1999 and later U1003 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.
U1003 Ford 427 DTC Meaning
| U |
Network Code - Problem is climate control system, lighting, airbags, etc. |
| 1 |
MFG - Manufacturer Specific |
| 0 |
Transmission |
| 0 |
Air Conditioning (A/C) Clutch Feedback Circuit High Voltage |
| 3 |
TFP Valve Position Switch-Drive Without Drive Ratio |
If your vehicle failed a U1003 Ford 427 test and the U1003 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses U1003 a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look U1003 DTC For Ford 427: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.
You can also check other Ford car models :
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The listed Ford models will give information about U1003 DTC.
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