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Check P1129 Fault Code

When you check engine light came on code P1129 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 P1129 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1129 Code Reason

Parts or components should not be replaced with reference to only a P1129 DTC. The vehicle service manual should be consulted for more information on possible causes of the fault, along with required testing.

P1129 Possible Fix :

Generally, coolant loss is the most common cause of overheating. If your engine overheats repeatedly, the high temperature could result in irreparable damage that can be a pain to repair. Prevention is the best medicine, so avoid this kind of damage by making sure the coolant is clean and the cooling system is in good operating condition.

P1129 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1129 OBD-II Trouble Code Downstream Oxygen Sensors Swapped from Bank to Bank is one of the definitions for the P1129; however your vehicles manufacturer may have a different definition for the P1129 code. Please check below f

Reason For P1129 Code

The reason of P1129 OBD-II Fault Code Check is P1129 Downstream Oxygen Sensors Swapped from Bank to Bank .

P1129 Solution:

The firing order is an important part of the overall design of the engine and is determined during the design of the engine to eliminate as much engine vibration as possible. If the firing order is changed or adjusted, the ignition from the spark plug is delivered at the wrong time and the engine functions poorly or does not run. The firing order for a particular engine is typically found in the repair manual specific to that model.

What does fault code P1129 mean ?
What does a diagnostic reading P1129 mean ?
How to fix OBD2 Code P1129 ?
What do we know about P1129 code ?

How to Clear P1129 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.