P0628 Engine Trouble Code

P0628 Engine

When you check engine light came on code P0628 the reason should be Engine Light ON (or Service Engine Soon Warning Light). However your vehicle's manufacturer may have a different definition for the P0628 OBD-II Diagnostic Powertrain (P) Trouble Code. So you should chech it on our car models.

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.

P0628 Code Meaning :

P 0 6 2 8
OBD-II Diagnostic Powertrain (P) Trouble Code For Engine Intake Valve Control Solenoid Circuit Low O2 Sensor Heater Circuit Malfunction Crankshaft Position Sensor A Circuit Malfunction Timing Reference High Resolution Signal A Too Many Pulses

The catalytic converter has an oxygen sensor in front and behind it. When the vehicle is warm and running in closed loop mode, the upstream oxygen sensor waveform reading should fluctuate.

P0628 OBD-II Diagnostic Powertrain (P) Trouble Code Description

P0628 OBD-II Trouble Code When the ignition switch is turned ON the Engine Control Module ( P0628 code.

Reason For P0628 Code

The reason of P0628 OBD-II Engine Trouble Code is O2 Sensor Heater Circuit Malfunction.

P0628 DTC specifically refers to the camshaft (cam) timing. In this case, if the cam timing is over-retarded, the engine light will be illluminated and the code will be set.