Question about 2005 Dodge Caravan

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2001 dodge caravan with a 3.3;i got a 0442 code evap small/lg leak. check all the lines i can find under the car and in the engine. found nothing cracked.gas cap seem to have a little play when i removed it. how do you tell if it's no good.

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  • 51 Answers

Just try a new one. 9 out of 10 its the gas cap.

Posted on Oct 05, 2009

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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

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

2 Answers

01 dodge ram 3.9 moter check engine light


A Large leak is almost never a gas cap, thats usually the small leak. Dodge uses cheap hoses that crack badly. Check the canister in the Engine compartment, passenger side. Then check passenger side behind the cab by the frame. 2 canisters and hoses leaving that ,often cracked. Last is a piece that connects from the hard steel lines near the oil pan....one of these three usually

Jul 22, 2010 | 2001 Dodge Ram 1500 Truck 2WD

1 Answer

Engine coad po442 how do i fix it


PO442 is the data trouble code for (evaporative emission control system leak detected "small leak") it means that the OBD-II system has detected a small vacuum leak in the evaporative control system.

You will need to find the vacuum leak in the evaporative control system, check for cracked or broken vacuum lines and hoses, especially the vacuum hoses and lines around the evaporative (Evap) canister and the (Evap) solenoid. Also check the gas cap seal for damage.

Vacuum hoses and lines should be checked very well for any cracks or breaks, because they usually hide under the vacuum line or hose.

May 02, 2010 | 2001 Dodge Durango

1 Answer

Troubleshoot codes


po442 evap system small leak po455 evap system large leak po456 evap system very small leak. the evap system is located under the driverside of van. from all indication you have a hole in a line or a bad connection on one of the lines. inspect and repair.

Mar 27, 2010 | 2003 Dodge Grand Caravan AWD

1 Answer

What is the diagnostic codes P 0700 P1684 p0442 p0455 p0456 on a 2001 dodge Caravan with a 3 3"


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.


Nov 24, 2009 | Dodge Caravan Cars & Trucks

1 Answer

Failed Emision test


po442 is evap emission control system leak (small) 1 of the lines for emissions is leaking. po455 is-- emission control system leak (large). turn off light with code scanner after it is fixed.

Sep 01, 2009 | 2001 Dodge Caravan

1 Answer

2001 dodge caravan 3.3L evap codes


Probably need to take to shop or dealer and have EVAP smoke machine run on it to find leak

Aug 05, 2009 | Dodge Caravan Cars & Trucks

1 Answer

What do codes p 442 and p 455 mean????


442 evap small leak 455 evap large leak

Apr 17, 2009 | 2001 Dodge Caravan

5 Answers

2001 Dodge Caravan/check engine light


P0442--Evap Emission Sys. leak detected small leak
P0455--Evap Emission sys. leak detected gross leak
P0456--Evap Emission Sys. leak detected very small leak

Jun 07, 2008 | 2001 Dodge Caravan

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