U1671 Subaru Impreza 3 DTC Code

Subaru Impreza 3 Engine Specifications:

Engine Type :	Single Cylinder Engine
Cylinder Type :	V-Type Engine
Engine Air Intake Process :	Turbocharged Engine

Your Subaru Impreza 3 engine control system detects a problem, the computer stores the diagnostic trouble code U1671 in its memory. To figure out what is wrong with your vehicle you must first extract the U1671 DTC For Subaru Impreza 3.

On 1999 and later U1671 Subaru Impreza 3 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.

U1671 Subaru Impreza 3 DTC Meaning

U	Network Code - Problem is climate control system, lighting, airbags, etc.
1	MFG - Manufacturer Specific
6	Vehicle Speed Control And Idle Control System
7	Exhaust Gas Recirculation System Valve 1
1	PCM Stack Overrun

The rule of U1671 Subaru Impreza 3 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 U1671. Likewise, overriding the OBD U1671 DTC For Subaru Impreza 3 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.