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Getting the error code P0442 with a ODB2 on 2004 Caravan

Hi, I'm getting the error code P0442 with a ODB2 reader from my 2004 Dodge Caravan. What could be the issue. The EGR valve was replace less than 2 weeks ago. Engine size is 3.3L

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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

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Posted on Jan 02, 2017

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ENGINE LIGHT ON AND CODES P1684 AND P0442 DISPLAYED WHEN TURNING KEY OFF AND ON 3 TIMES ON 2001 GRAND CARAVAN. WHAT IS PROBLEM?


P0442 is evap emission canister ,and or gas cap,P1684 is the your battery has been disconnected in the last 50 starts

Mar 17, 2017 | 2001 Dodge Grand Caravan

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I'm showing 2 codes p1684,po122


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I HAVE 2 (DTC CODES OF P0442 AND P0455 ON MY 2002 DODGE CARAVAN SE 3.3L -HOW CAN I FIX


442 evap emissions control system leak detected [small] 455 same but a gross or large leak detected first is to check gas cap is on correctly and is properly sealing these are known codes for that problem -if the cap is good than u will need to follow the gas/vent lines under the vehicle looking for leak check for damaged or disconnected lines usually can get a smell of gas in area of damage

Oct 24, 2011 | 2002 Dodge Caravan

1 Answer

2002 Dodge Grand Caravan getting error codes: P0442 and P0455?


same errors with dammaged or non functioning NLDP "natural leak detection pump" smoke test did not find any leaks in or around pump but yet had small and large leak detection codes, replaced unit and reset codes, two weeks later and all is well.

Jul 20, 2011 | 2002 Dodge Grand Caravan

1 Answer

I have a 2005 Dodge caravan and the code P0442 came on what do I do?


Small Leak in EVAP System

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Jan 30, 2011 | 2005 Dodge Caravan

1 Answer

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

1 Answer

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
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Do you know what a serial data communication network is ?
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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 .

Apr 27, 2017 | 2002 Dodge Grand Caravan

1 Answer

2003 grand caravan error codes P1684, P0442 and P0455


either gas cap is bad or puge silinoid is bad

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

Error codes 0442 and 0445


Hi..my name is Keith..and the error code P0442 means...Evaporative emission control system,small leak detected ...and error code P0445 means....Evaporative emission control system,short in purge control valve circuit..i hope this has helped

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