Question about 2001 Dodge Grand Caravan

1 Answer

What is the likely fix for a P0045 "Large Evap Leak" code on a 2001 Dodge Grand Caravan?

Check Engine Light has been on. When I used a diagnostic tool it says P0045 Large Evap Leak. The tool suggests there could be multiple possibilities for something being wrong. I tightened the gas cap so it doesn't seem it's something as simple as a loose gas cap. Anybody have suggestions on what is probably wrong? Thanks very much!

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  • Florin Sicoi
    Florin Sicoi May 30, 2015

    it can be two pieces of hose under the air filter box or
    Leak Detection Pump vent valve 4669865 OEM Mopar NEW Dodge under the car in the driver side

×

1 Answer

That code is for a turbo charger issue (P0045)

Not on your vehicle

PO455-- Evap (Gross Leak)

Need a professional to smoke test & component
test the evap system to find a problem

Posted on Dec 05, 2014

6 Suggested Answers

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Posted on Jan 02, 2017

  • 135 Answers

SOURCE: 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

Posted on Aug 05, 2009

  • 3640 Answers

SOURCE: 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.

Posted on Sep 01, 2009

  • 1341 Answers

SOURCE: 2004 Mazda RX-8 PO455

It will not go off by itself,you will need to reset it by connecting to a diagnostic tool.Once cleared if there is any other problem then it will trigger the check engine light again.Hope this helps..

Posted on Sep 03, 2009

dreager
  • 119 Answers

SOURCE: engine light came on code is p0455 evap large

Here's a little more info on the situation

http://www.obd-codes.com/p0455

Posted on Mar 01, 2010

  • 110 Answers

SOURCE: Engine light shows a code P0456 (small evap leak)

It is likely a leaky hose in the evap system. The chemicals passing through the hose cause it to become brittle, causing cracking. Take a look at this instruction to see if it helps:
http://www.dodgetalk.com/forums/showpost.php?p=1169489&postcount=6
LMK if it helps troubleshoot the problem.

Posted on May 02, 2011

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1 Answer

P0045 large EVAP leak


Do you have right code #.Look something wrong.

Apr 09, 2013 | 2004 Pontiac Grand Prix

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Check engine light has been on for 2 years...have


The EVAP System has a leak and needs to be repaired.
Obviously your mechanic,has not kept up with todays vehicles. EVAP issues are common. I would get a new mechanic, and make sure they have an EVAP Smoke Machine,otherwise their wasting their time and yours.
Also,if your the type of person who rides around 2 years with a check light on,you don't have much interest in what you drive.
I would guess you got at least one other drivabilty issue.
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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

Evap Emissions Leak


This can be because the Gas cap is not holding the pressure. I would start there first.

Oct 05, 2009 | 2001 Dodge Grand Caravan

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

3 Answers

Check Engine Light won't go off


If you have an Advance Auto Parts store where ever you are, they will read the code and tell you exactly what to code is and what it means. Any mechanic who "guesses" isn't a mechanic at all - he's a thief. Emissions leak can be any number of things, but not the gas cap!

Aug 21, 2009 | 2003 Dodge Caravan

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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

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


442 evap small leak 455 evap large leak

Apr 17, 2009 | 2001 Dodge Caravan

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Service engine light on


make sure your gas cap is tight and also look on your evap canister it is under vehicle rt about where the drivers seat is black rectangular box make sure all these hoses are tight and not rotten

Sep 04, 2008 | 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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