Buick Roadmaster P1390 Engine Trouble Code

Buick Roadmaster P1390 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. Your gas mileage will also be terrible, so you should try and fix it as soon as you can. Unfortunately, the average replacement cost is around $2,000 and you can't do it yourself unless you're an experienced mechanic.

Buick Roadmaster P1390 Code Meaning :

When you check Buick Roadmaster car engine light came on code P1390 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P1390 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1390 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1390 OBD-II Trouble Code Octane Adjust Pin Out Of Self Test Range is one of the definitions for the P1390; however your vehicles manufacturer may have a different definition for the P1390 code. Please check below for your spe P1390 code.

Reason For P1390 Code

The reason of P1390 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P1390 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

P138F Previous Engine Trouble Code For Buick Roadmaster

Next Engine Trouble Code For Buick Roadmaster P1391