Pontiac Chieftan P3420 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.

Pontiac Chieftan P3420 Code Meaning :

When you check Pontiac Chieftan car engine light came on code P3420 the reason should be . However manufacturer may have a different definition for the P3420 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P3420 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P3420 engine trouble code is about Reverse Input Circuit.

Reason For P3420 Code

The reason of P3420 OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P3420 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.

P341F Previous Engine Trouble Code For Pontiac Chieftan

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