U0244 Daimler One-o-four Diagnostic Trouble Code
U0244 Daimler One-o-four code definition:
U0244 is a kind of OBD-II Diagnostic U-Network Diagnostic Trouble Code for Daimler One-o-four.
U0244 Daimler One-o-four is described as Intake Air Temperature (IAT) Circuit Malfunction. It's actually a general trouble code for a problem on IAT electrical circuit sensor, as it sends incorrect voltage input signals to the PCM. As you drive and when specific conditions are slowly met, the vapors will gradually purge from the charcoal canister and will get burned within your engine.
Symptoms
Symptoms of a U0244 Daimler One-o-four diagnostic trouble code may include:
- Poor acceleration
- Cherry red hot catalytic converter
- Possible spark knock (detonation / pre-ignition)
- If the DPF is not cleared the ECU will revert to the "Limp Home Mode" until the situation is corrected
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Possible Causes :
- A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
- Faulty IMRC actuator relay (if equipped)
- A faulty oxygen sensor. This will set a code in itself, however, a faulty oxygen sensor does not automatically condemn the sensor. The code just means that the sensor signal was not within specifications. An air leak or any of the above will cause an erroneous signal. There is a multitude of O2 codes relating to O2 performance which gives a clue to the problematic area.
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Common Misdiagnoses
- Exhaust Gas Recirculation System Valve 1 Problem
- BBV Sensor Circuit Low Voltage Problem
- Transmission Engaged At High Throttle Angle Problem
- Cruise Inhibit Control Circuit Problem
- TFP Valve Position Switch-Drive Without Drive Ratio Problem
Repair Processes :
Now, clear the codes and test-drive the vehicle to see if the code is reset.
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.
Look at the plug wires to make sure they are not burnt or laying on the exhaust.
Process Tips
Diagnostic trouble code U0244 Daimler One-o-four 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 U0244 Daimler One-o-four.
Fortunately, U0244 Daimler One-o-four is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.
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