Question about 1999 Dodge Caravan

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Code P0442 dodge caravan 99 - 1999 Dodge Caravan

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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

motor1258
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SOURCE: getting the error code P0442 with a ODB2 on 2004 Caravan

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

roniecon
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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

motor1258
  • 6674 Answers

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

ZJLimited
  • 17970 Answers

SOURCE: What is the diagnostic codes P 0700 P1684 p0442

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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Ihave dodge caravan sport 2001 and ihave this code in my car-p0442 how i fixed ?


This indicates a fuel vapor leak in the EVAP control system. It means a very small leak has been detected. .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.

A code P0442 most likely means one or more of the following has happened:
  • A loose or improperly affixed gas cap
  • A non-conforming gas cap (i.e. not factory/original brand)
  • A small leak/hole in a fuel vapor hose/tube
  • Other small leak in EVAP system
  • Faulty vent o-ring seal

With a P0442, the most common repair is to:
  • Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back.
  • Otherwise, replace the gas cap, or
  • Inspect the EVAP system for cuts/holes in tubes/hoses
Few places to check - rubber hose under air box (requires removing the air box) and hoses connecting to EVAP system under the van on the drivers side.

Jan 12, 2011 | 2001 Dodge Caravan

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My 2002 Dodge Grand Caravan Sport recently failed the NC emissions test.The codes it threw were p0442 and p0455.I replaced the gas cap and took it to Advance Auto and this is the codes I got back.Codes...


Chrysler EVAP P0442 P0445 Smoke Diagnostics
P1698 Dodge PCM Fault No CCD Message From TCM
Do you know what a serial data communication network is ?
CCD SCI DATA LINES TECH TIP

Sorry dude but you don't have a prayer of a chance to fix this ! You know anything about automotive electronics , electrical systems ? Have a factory or professional scan tool . Going to advance auto won't cut it .

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2003 grand caravan error codes P1684, P0442 and P0455


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Nov 20, 2009 | 2005 Dodge Grand Caravan

1 Answer

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.

Oct 02, 2009 | 2001 Dodge Caravan

1 Answer

Getting the error code P0442 with a ODB2 on 2004 Caravan


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.

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These codes indicate a leak(s) in the fuel system, it can be anywhere, you will have to crawl under and try and see where the leak is, you will need a scanner to turn off the light after repairing the leak(s)

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