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3rd Gen Ram Tech 2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.

Code Po442

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Old 02-18-2008, 10:19 AM
MexiRam's Avatar
MexiRam MexiRam is offline
Join Date: May 2007
Vehicle: 2k3 4x4Hemi, Borla Exhaust,KNCAI,Superchips3715,PowerWIre,2x12" KickerCvR,Pioneer MonoAmp&stereo
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Default Code Po442

I been clearing this code and it keeps coming back p0442 evap leak monitor medium leak. I have tightened everythin in my intake and tightened my gas cap. Anyone know what else to check.
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Old 02-18-2008, 10:39 AM
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hemiyellow hemiyellow is offline
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Vehicle: 1999 Dodge Ram 2500
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Default RE: Code Po442

EVAP hoses under the truck around the canister area on driver side towards the middle/back of the cab...quite a few rubber hoses there and might have one that has a cut or somethin in it
1999 Dodge Ram 2500 4x4 CTD

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Old 02-18-2008, 12:39 PM
kenihemi kenihemi is offline
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Default RE: Code Po442

Come on man, you gotta help us out a little bit. What year, what engine, you know that kind of stuff.

Unless its there someplace and I missed it.
04 Ram, QC, 4X4 Hemi
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Old 02-18-2008, 12:59 PM
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4X HEMI 4X HEMI is offline
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Default RE: Code Po442

Well, I would say if the picture is his truck then its a 2002 to 2006 3rd gen.

P0442 is an EVAP code. Evaporative Emmissions. Usually when you get this code its from your gas cap. Either the cap is bad or you didn't turn it enough times after you got gas!

Clear the code, take off your gas cap and put it back on, when it clicks I usually turn mine a few times. See if it comes back on again.
2003 Ram 1500 QC 4x4/5.7L Hemi/Superchip/CAI/6" RCD Suspension Lift/3" PA Body Lift/Bilstein 5100 Shocks/Pro Comp 6001 17"x9" Wheels/37x13.5x17 Toyo M/T's/Leer 700 Tonneau Cover
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Old 02-18-2008, 10:55 PM
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master tech master tech is offline
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Default RE: Code Po442

It could behoses, Purge solenoid, LDP pump if it has one , NVLD pump if you don't have a LDP pump, or canster.
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Old 02-18-2008, 10:55 PM

2002, dodge, ldp, pump, ram

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