Question about 2001 Dodge Caravan
I have a 2002 Dodge Caravan which had a code 455. The following is a description of this van. The problem was caused by a 12 inch hose located under the van on the drivers side close to and in front of the liquid/vapor separator canisters. The 5/8 inch ID hose was connected between the front (engine side) of the LDP vent valve and the leak detection pump. Oil from the engine had leaked onto the end of hose connected to the pump. The plastic clamp was broken and the hose had swollen until it was very loose. Replacing the hose and clamps fixed the problem. The LDP vent valve is connected to the largest liquid/vapor canister by a 2 inch long hose. You may need to buy the hose from the Chrysler since it is a shaped hose. Any broken or missing clamps should be replaced with the band type sold by auto parts stores. Any other hose which is split should be replaced.
Posted on Sep 11, 2009
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Posted on Jan 02, 2017
Large leak?... Fuel Cap not tight or the wrong one is installed. Also, the charcoal canister close valve may be stuck 'open' AND/OR the purge control solenoid valve may be stuck 'closed.'
Posted on Oct 18, 2009
have you checked the gas cap. this will also trigger such a code if the seal is missing or broken. it will also stay on if you filled while fueling or forgot to install the cap after fueling just one time. check the cap by going to your nearest smog station and asking(very nicely, no reason paying for 10 seconds worth of work)him to test it. they have a little pump similiar to radiator pressure tester. if you are not near one then a replacement cap from your local chrysler dealer will just good maintenance.
Posted on Nov 03, 2009
That last time I fixed this code it ended up being a leaking EVAP hose on top of the fuel tank. I had to drop the tank and put new sealant on the hoses to stop the leak.
Posted on Mar 05, 2010
Tips for a great answer:
Nov 24, 2014 | 2002 Dodge Neon
Apr 13, 2014 | Suzuki Cars & Trucks
EVAP Vent Control Solenoid Circuit Malfunction
Vent solenoid circuit open, shorted to ground or to power (B+).Vent control solenoid is damaged or has failed..PCM has failed.TSB 00-060 (7/00) contains information related to this code.Trouble Code: P0455
EVAP System Gross Leak (0.080") Detected
.EVAP control system pressure sensor is damaged or has failed.EVAP purge solenoid or canister vacuum line loose or off.EVAP purge solenoid is damaged or has failed.EVAP emission canister is dirty, restricted or full of water.EVAP canister vent control valve is damaged or has failed.Fuel tank cap loose, missing or it is the wrong part number.Fuel tank temperature sensor is damaged or has failed.Fuel tank vacuum relief valve is damaged or has failed.Large leak in the EVAP canister or in the fuel tank area.ORVR system is damaged or has a large leak in a component.Refueling control valve is damaged or has failed.Vacuum hose leaking between intake manifold and Purge valve.Here are the codes,take part back and get refund.
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