Your Vauxhall Viva engine control system detects a problem, the computer stores the diagnostic trouble
code P2374 in its memory.
To figure out what is wrong with your vehicle you must first extract the P2374 DTC For Vauxhall Viva.
On 1999 and later P2374 Vauxhall Viva 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.
P2374 Vauxhall Viva DTC Meaning
Powertrain Code - Problem is related engine, transmission and emissions systems.
MFG - Manufacturer Specific
IC Module 4X Ref Circuit Intermittent, No Pulses
Exhaust Gas Recirculation System Valve 1
Cruise Vehicle Speed/Set Speed Difference Too High
The rule of P2374 Vauxhall Viva 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 P2374. Likewise, overriding the OBD P2374 DTC For Vauxhall Viva 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.