Question about 1999 Dodge Caravan
Posted by Anonymous on
This DTC is "EVAP Emission Control System Leak (Small).
Most likely culprit is going to be you gas cap. Before buying one, taking to an emissions checking station and ask if they'll check just the cap for you. Most will gladly do this.
If the cap checks OK, then make sure you've properly tightened it down after putting fuel in the car.
If this still doesn't do it, start look for a leaking vacuum hose. Most well equipped garages can perform a "smoke test" to find the leak and it may well be worth the price to not have the aggravation of searching under the hood and under the body for what promises to be a very small leak.
The EVAP canister itself could be cracked and leaking.
Another, but in my opinion, less likely area could be a leaking intake manifold gasket.
Posted on Dec 30, 2010
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Posted on Jan 02, 2017
Code 442 indicates a vapor leak in the EVAP control system. Fuel vapors are routed through hoses to the EVAP charcoal canister, then via purge control valve, are rerouted through intake when engine running. Bad gas cap seal is the usual culprit, which you can try cleaning the seal & filler neck where it screws in, then erase codes & try again & see if it comes back, or may require new gas cap. Other areas to look is at hoses running to & from canister & purge valve for any crack that may be a source of leak.
Posted on Jun 26, 2009
SOURCE: dodge caravan 2005 fault code
Check your fuel cap to see if it is on good.This all deals with that,you may even have to replace the fuel cap.But the emissions can mean a lot of thingsHave the egr position sensor checked and it`s hoses,Check the air filter and have the egr took off and cleaned and checkedI hope this was somewhat helpful,emissons can be trickie.
Posted on Sep 24, 2009
SOURCE: error codes p0442 & P0455
Those are both Evaporative Emission Control System related.
442 is a small leak has been detected.
455 is a bigger leak has been detected.
Check all your connections, (electrical & vacuum lines) as well as check for any cracked, loose vacuum hoses in the system, as well as clean "O" ring on your gas cap well and threads in filler pipe & make sure gas cap is tight. Do the gas cap first & see if codes dissappear, but it may take a new gas cap. These codes commonly appear shortly after getting gas, due to cap not back on tight.
Posted on Oct 03, 2009
P0700: EATX Controller DTC present
P1684: Battery was desconnected
P0442: EVAP leak monitor medium (.040). Leak detected.
P0455: EVAP leak monitor large. Leak detected.
P0456: EVAP leak monitor small (.020). Leak detected.
I suggest check the lines and flow it down to the ldp (leak detection pump) that is just behind the steering gear under the van It has a wire connector and 2 large EVAP hoses. look for any split or crack then follow the lines back to the tank. Even a small crack is a leak.
Hope helped with this. Remember rated this help. Good luck.
Posted on Nov 24, 2009
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