Gmc Savana P1391 Engine Trouble Code

Gmc Savana P1391 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.

Gmc Savana P1391 Code Meaning :

When you check Gmc Savana car engine light came on code P1391 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P1391 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P1391 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P1391 OBD-II Trouble Code Glow Plug Circuit Low Input Bank 1 is one of the definitions for the P1391; however your vehicles manufacturer may have a different definition for the P1391 code. Please check below for your specific P1391 code.

Reason For P1391 Code

The reason of P1391 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P1391 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.

P1390 Previous Engine Trouble Code For Gmc Savana

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