Check U1133 Fault Code

When you check engine light came on code U1133 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 U1133 OBD-II Diagnostic Network (U) Trouble Code. So you should chech it on our car models.

U1133 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.

U1133 Possible Fix :

Detonation, or spark knock, is a type of combustion caused by the buildup of too much heat and pressure in the engine's combustion chamber. When this happens, you should be able to hear a metallic knocking or pinging noise. A small amount of detonation usually won't cause major damage, but heavy knocks or prolonged detonation can cause serious damage to your parts. It can punch holes in your pistons, crush rod bearings, blow head gaskets, crack rings, and pound out piston ring grooves. Prolonged pinging noises are a definite cause for concern.

U1133 OBD-II Diagnostic Network (U) Trouble Code Description U1133 SCP (J1850) Invalid or Missing Data for Vehicle Motion so you have to check ODB-II Fault Code Check list. Reason For U1133 Code The reason of U1133 OBD-II Fault Code Check is U1133 SCP (J1850) Invalid or Missing Data for Vehicle Motion.

U1133 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.

What does fault code U1133 mean ? What does a diagnostic reading U1133 mean ? How to fix OBD2 Code U1133 ? What do we know about U1133 code ?

How to Clear U1133 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.