U3464 Diagnostic Trouble Code

U3464 is a kind of OBD-II Diagnostic U-Network Diagnostic Trouble Code.

It is considered generic because it applies to all makes and models of vehicles, although specific repair steps may be different depending on your car model.

Symptoms

Symptoms of a U3464 diagnostic trouble code may include:

Fuel pressure too high
Diminished fuel efficiency
Rich or lean exhaust
Reduction in engine performance, especially at low RPM levels

Possible Causes :

Dirty air cleaner element Damaged DPF
A plugged converter will cause of host of driveability problems as well as set this code. A severely plugged converter will result in the inability to increase rpm when under load. Look for a code such as P0421 -- catalytic converter efficiency below threshold if the converter indicating a faulty converter.
Faulty IMRC actuator relay (if equipped)

Repair Processes :

If the engine displays a miss and there wasn't a code, determine which cylinder is misfiring. If the exhaust manifold is visible, spay or pour a small amount of water on each cylinder exhaust port. Water will evaporate immediately on good cylinders and slowly on the missing cylinder. If this can't be accomplished pull the plugs and check the condition. You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.

Process Tips

Diagnostic trouble code U3464 is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before U3464.

Fortunately, U3464 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

U3464 Trouble Code For Specific Cars

U3464 Aston Martin Rapide Air Suspension Vent Solenoid Output Circuit Open
U3464 Vauxhall Chevette Pressure Control Solenoid "B" Open Circuit
U3464 Hsv W427 Ride Control RR Shock Actuator Circuit Short To Battery
U3464 Citroen C3 Picasso Front Wiper Select Switch "H" Short to Ground
U3464 Toyota Tercel Passenger Power Window Motor Circuit Failure
U3464 Mazda Sport A/C Cycling Period Too Short
U3464 Maserati Royale Transmission Fluid Temperature Sensor Circuit Range/Performance