Chevrolet Hhr P639A Engine Trouble Code

Chevrolet Hhr P639A 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.

Chevrolet Hhr P639A Code Meaning :

When you check Chevrolet Hhr car engine light came on code P639A the reason should be . However manufacturer may have a different definition for the P639A OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

P639A OBD-II Diagnostic Powertrain (P) Trouble Code Description

P639A engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.

Reason For P639A Code

The reason of P639A OBD-II Engine Trouble Code is Engine Oil Temperature Sensor Malfunction.

P639A 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.

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