Chevrolet Citation P0491 Engine Trouble Code

Theoretically you can drive for a few weeks or even months with a broken MAF sensor. You will notice a decrease in gas mileage and over time the car will eventually start stalling a lot. At a shop, the replacement cost is between $200-$300 depending on the car, but that's usually the cost of parts because the labor is relatively simple.

Chevrolet Citation P0491 Code Meaning :

When you check Chevrolet Citation car engine light came on code P0491 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However manufacturer may have a different definition for the P0491 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P0491 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0491 OBD-II Trouble Code The secondary air system detected that there was insufficient mass flow change during pump switching (on/off) P0491 code.

Reason For P0491 Code

The reason of P0491 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P0491 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.

P0490 Previous Engine Trouble Code For Chevrolet Citation

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