Your Mg Maestro engine control system detects a problem, the computer stores the diagnostic trouble
code C3407 in its memory.
To figure out what is wrong with your vehicle you must first extract the C3407 DTC For Mg Maestro.
On 1999 and later C3407 Mg Maestro 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.
C3407 Mg Maestro DTC Meaning
Chassis Code - Problem is controller area network wiring bus and modules.
SAE - Generic
Fuel And Air Metering (Injector Circuit Malfunctions Only)
Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
Cruise Control System - Vehicle Accel Too High
The rule of C3407 Mg Maestro code when it comes to emissions-related vehicle repair is that any modification that changes the vehicle from a certified configuration to a non-certified configuration is considered tampering: this applies to both vehicle owners and repair facilities and is, therefore, a Federal offense. Replacing a catalyst with a straight pipe is one traditional example of C3407. Likewise, overriding the OBD C3407 DTC For Mg Maestro system through the use of high-tech defeat devices or non-certified computer chips, for example, would also be considered tampering. The OBD system may, however, be repaired back to its original certified configuration with certified performance chips or appropriate aftermarket parts.