Check U1181 Fault Code
When you check engine light came on code U1181 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the U1181 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.
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U1181 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set. |
U1181 Possible Fix :
Probably the biggest result of injector failure is due to the injectors having excessive return flow or back leakage. This is due to worn parts which allow excessive fuel to go through the diesel injector and to return back to the tank or fuel system. This causes a drop in rail pressure which results in hard starting or not starting at all.
U1181 OBD-II Diagnostic Network (U) Trouble Code DescriptionU1181 SCP (J1850) Invalid or Missing Data for Personalization (Memory) Features so you have to check ODB-II Fault Code Check list.Reason For U1181 CodeThe reason of U1181 OBD-II Fault Code Check is U1181 SCP (J1850) Invalid or Missing Data for Personalization (Memory) Features. |
U1181 Solution:
Excessive air inflow can be caused by a vacuum leak, a dirty sensor or, an exhaust gas recirculation valve not closing properly. If the problem is not enough fuel, the culprit may be dirty injectors or fuel filters, a weak fuel pump or a leaky fuel pressure regulator. The lean fuel mix error may be accompanied by rough idling, engine misfires, hesitation during acceleration and overall poor engine performance.
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What does fault code U1181 mean ?
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How to Clear U1181 Trouble Code
An OBD 2 scanner is the best and safest way to erase a DTC from your car's system. This scanner communicates with the car's computer and instructs the computer to erase the code. It does not change or tweak the settings from inside the car or its systems.