U11EE Diagnostic Trouble Code

U11EE 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 U11EE 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 :

Once located, visually inspect the connectors and wiring. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. 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.

Process Tips

Diagnostic trouble code U11EE 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 U11EE.

Fortunately, U11EE is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

U11EE Trouble Code For Specific Cars

U11EE Chevrolet Lumina ECU Is Defective
U11EE Nsu Prinz Cylinder 11 Injector Circuit Low
U11EE Skoda Karoq Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor)
U11EE Sbarro Millenium Injection Pump Fuel Metering Control "A" Low (Cam/Rotor/Injector)
U11EE Abarth 850 A Camshaft Position Actuator Circuit (Bank 2)
U11EE Ifa F9
U11EE Mosler Mt Camshaft Position Sensor B Circuit Malfunction