What are a few codes on 95 avenger code 55 22 4423 what do these mean the car will stall out of blue but start back up it also has hard cold starting sometimes engine light Is on?

Code 55: This code indicates a problem with the vehicle's oxygen sensor. The oxygen sensor is responsible for measuring the amount of oxygen in the exhaust gas and adjusting the fuel mixture accordingly. A faulty oxygen sensor can cause the engine to run rich or lean, which can lead to stalling and poor performance.

Code 22: This code indicates a problem with the vehicle's crankshaft position sensor. The crankshaft position sensor is responsible for providing the engine control module (ECM) with information about the position of the crankshaft. A faulty crankshaft position sensor can cause the engine to stall or run erratically.

Code 4423: This code indicates a problem with the vehicle's evaporative emissions system (EVAP). The EVAP system is responsible for preventing fuel vapors from escaping into the atmosphere. A faulty EVAP system can cause the engine to stall or run poorly.

These are just a few of the possible codes that could be stored in your vehicle's computer. If you are experiencing any problems with your vehicle, it is important to have the codes diagnosed by a qualified mechanic.