Logo

P1109 Engine Trouble Code

P1109 Engine

When you check engine light came on code P1109 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 P1109 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1109 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.

P1109 Code Meaning :

P 1 1 0 9
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Fuel And Air Metering Engine Oil Temperature Sensor Malfunction Cylinder 10 Contribution/balance Fault Ignition Coil A Primary/Secondary Circuit Malfunction

Regarding the P1109 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.

P1109 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1109 OBD-II Trouble Code IAT - B Sensor Intermittent is one of the definitions for the P1109; however your vehicles manufacturer may have a different definition for the P1109 code. Please check below for your specific make. P1109 code.

Reason For P1109 Code

The reason of P1109 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P1109 the main thing to check is to verify the operation of the VCT solenoid. You're looking for a sticking or stuck VCt solenoid valve caused by contamination. Refer to vehicle specific repair manual to perform component tests for the VCT unit.