Code P0455 means "Evaporative Emission System Leak Detected (gross leak/no flow)"
The error code p1193 on a 2001 Dodge Grand Caravan indicates that the intake air temperature sensor has failed. The sensor can be replaced by unbolting it, removing the wiring harness, and pulling it from the intake.
Leak in EVAP system detected
21 is for the oxygen sensor reading staying at center.
Cylinder number two misfire.
Trouble code P0755 means:Shift solenoid B malfunction
EGR- Exhaust gas recirculation. Go to a local shop and get it checked out.
dtc codes are generic p0455 means "Evaporative Emission Control System Leak Detected (gross leak) " this will cause "check engine light to come on" and is usually that the gas cap is loose and if tighten will cause the check engine light to go away after driving the car for 3 normal driving trips.
P0125, engine temperature too low for closed loop. The usual failure is the thermostat.
With a scan tool.
That requires a scan tool.
automatiic transmission control system malfunction
Trouble code P0149 means:Fuel Timing error