P1334 Diagnostic Trouble Code

P1334 is a kind of OBD-II Diagnostic P-Powertrain 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 P1334 diagnostic trouble code may include:

Poor acceleration
Cherry red hot catalytic converter
Possible spark knock (detonation / pre-ignition)
Rich or lean exhaust

Possible Causes :

Faulty IMRC actuator relay (if equipped)
A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
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.

Repair Processes :

You might continue by connecting the scanner to the vehicle diagnostic connector and retrieving all stored codes and freeze frame data. With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground. Oxygen sensors signal the engine management computer the amount of oxygen present in the exhaust, which is used in determining and controlling the fuel ratio.

Process Tips

Diagnostic trouble code P1334 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 P1334.

Fortunately, P1334 is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

P1334 Trouble Code For Specific Cars

P1334 Alfa Romeo 1900 ABS Power Relay Output Short Circuit To Battery
P1334 Simca Plein Interior Scanning Sensor Circuit Failure
P1334 Cadillac 62 Damper RF Circuit Short to Ground
P1334 Mercedes Slr Mclaren Air Bag Driver Circuit Open
P1334 Mercedes-benz 38 Air Bag Passenger Pressure Switch Circuit Failure
P1334 Mercedes Sl 65 Air Bag Crash Sensor #2 Ground Circuit Short To Battery
P1334 Austin 20 Audio Tape Deck Mechanism Fault