Symptoms of P0456 OBD II Trouble Code
- A small leak in any of the EVAP hoses or fuel tank hoses
- A small leak in the purge valve or vent valve
- The EVAP Canister may be leaking
Common Causes of P0456 OBD II Trouble Code
- 01 Caravan with P0456 code01 Caravan with 3.1 engine, 65K miles, gives P0456 code (evap system very small leak). What should I look for and in what order? Thanks for any feedback.
Bob...
- Dodge Caravan 2003 P1684 P0442 P0455 P0456Check engine light came on a couple of weeks ago. At first it was just the battery code P1684 and the small evap code P0442. Now the other two codes are showing as well. What are the chances that this is only a gas cap issue? I just replaced the cap but have not driven it yet. Since I am getting al...
- P0456 2002 D0odge Grand Caravan Sport, 59,000 milesHello,
I've got an active check engine light with code PO456. Where should I start? I'm in California and was also wondering if the Evap. system is under an extended Federal warranty? If, so, I'll just take it to the dealer. If not, where should I start? I'm a heavy diesel bus tech., so I'm no...
- Code P0456 02 Dodge Dakotai had code 0456- small evap leak detected- on 02 4.7 dakota. i replaced the fuel cap with after market stant and check engine light came on after about a week. i had a scan done and it showed no problems detected. so they cleared the code for me. about 4 days later. the check engine light came on a...
- 2010 HYUNDAI GENESIS COUPE - CODE P0456 - EMM CTRL SYS LEAKHoping someone can help. My engine light came on a few days ago and someone I work with was able to get the CODE P0456 from his device showing Emission Control Systems Leak (very small). Ever since the engine light came on my car doesn't start up right away. When I turn the key it just shows all t...
- 2003 Dodge Caravan P0456I have an '03 Dodge Grand Caravan with the 3.3 V6 and 92K on the odometer. I am the original owner and have done nothing but routine oil changes and maintainence since buying it new. I just had the Check Engine Light come on for the first time ever so I took it to a local Autozone for help reading t...
- P0456, P0440, and P0004 codes on 2006 Dodge Ram 2500Hi, so I bought a used 2006 Dodge Ram 2500 with a 5.7 L Hemi gas engine about a month ago from a dealership. When I test drove the truck, the check engine light was on and I asked the dealership to run a scan on it so I could decide whether it was still worth buying. They scanned it and said they co...
- 2003 Dodge Neon P0456I got a code P0456 and i replace the gas cap and disconnected the battery to reset the light, 2 days later the light came back on and i get the same code, p0456...
- 2001 Chrysler T/C Van - P0456/P0442/P0455gas cap was tested by emissions and it passed so the problem must be in the vacuum lines or elsewhere right?
so if it's not the gas cap - what usually causes this?
if problem is fixed - will check engine light go off after reset by disconn the batt for few minutes???...
- Nissan Senta '06 evap small P0456?Nissan 2006 Senta 1.8S evap small P0456. This code came on so I replaced the cap with my 2005 Sentra 1.8S but the light came back. What part do i need to fix this problem? '05 and '06 Sentras are the same vehicles. Recently in my '05 Sentra took it local mech for an evap large. Did a smoke test t...