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P1129 Engine Trouble Code

P1129 Engine

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 can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car. However, an oxygen sensor is easy to replace on many cars and is usually detailed in the owner's manual. If you know where the sensor is, you only have to unclip the old sensor and replace it with a new one. Regardless of how you approach it, you should get this fixed right away.

P1129 Code Meaning :

P 1 1 2 9
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Engine Oil Temperature Sensor Malfunction Crankshaft Position Sensor A Circuit Malfunction Ignition Coil A Primary/Secondary Circuit Malfunction

Regarding the P1129 code, it would probably be worthwhile to carefully inspect the wire harness near the intake manifold bracket. This is done most easily from below the car in the area near the oil filter.

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 P1129 code.

Reason For P1129 Code

The reason of P1129 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

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.