CAR OBD CODES
OBD/DTC Search, e.g.P0440
CAR OBD CODES P0440
P0440 OBD Code Definition:
P0440 EVAP Canister Purge Regulator Valve
P0440 OBD Code Description:
OBD2 Code P0440 Definition:
This indicates that a part of the EVAP control system is no longer fuctioning correctly. The EVAP system consists of many parts, including (but not limited to) the gas cap, fuel lines, carbon canister, purge valve, and other hoses. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle’s fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.
Symptoms
Possible sumptoms of P0440
You likely won’t notice any drivability problems.
Possible Causes
Possible causes of P0440
A code P0440 could mean one or more of the following has happened: The gas cap is not installed or working properly The purge solenoid has failed The canister is plugged and not working properly
Possible Solutions
With a P0440 OBD-II trouble code, diagnosis can be tricky at times. Here are some things to try: Remove and reinstall the gas cap, clear the code, and drive for a day and see if the codes come back. Inspect the EVAP system for cuts/holes in tubes/hoses Inspect for damaged or disconnected hoses around the Evap purge solenoid Check and/or replace the sensor Check and/or replace the purge valve Have a professional use a smoke machine to detect leaks OBD-II Codes
P0441 P0442 P0443 P0446 P0453 P0455 P0456
Note: The information on the P0440 error code is purely informative, if you need more useful information, please consult your technician.
B1355 B1836 B3033 B2719 B2507 B3172 B11D9 B1435 B128A B00B5 B2579 B25A4 B1985 B2415 B2971 OBDII Chassis Codes
C1139 C1A88 C1317 C0054 C1330 C1850 C0268 C0019 C1336 C0387 C1900 C1191 C1481 C1805 C1825 OBDII Network Codes
U0203 U1210 U1051 U0054 U0008 U0296 U0197 U040D U017E U2014 U0429 U047A U0400 U0445 U1014 OBDII Powertrain Codes
P2235 P1584 P0438 P3432 P0B57 P172D P20CC P042F P0739 P0946 P0AD0 P181D P3478 P0B53 P0073