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P0442, P0455 2003 Grand Caravan

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Old 10-07-2012, 06:58 PM
AWJ AWJ is offline
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Join Date: Oct 2012
Posts: 3

Still getting codes P0455 and P0442. I've replaced the Leak Detection Pump, Vent Valve, Oxy Sensors, fuel filler hose, crankcase tube, air temp sensor and OEM gas cap...all hoses checked and no cracks found...taking my 2002 DGC to dealer
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Old 10-08-2012, 12:05 PM
CaravanCaraman CaravanCaraman is offline
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Join Date: Feb 2010
Vehicle: 2002 Dodge Grand Caravan EX
Location: North Carollina
Posts: 19

did you replace the plastic clamps with metal hose clamps? as for me when my was throwing all those codes. and i replaced the little hose under the air box. all the hoses on the leak detection pump under the steering rack by the charcoal canister.(really hard to get too) were swollen from power steering fluid leaking down on it. and it busted the plastic caps enough to throw the code. i replaced all my plastic caps. and that one hose.. haven't had the code come back in almost a year now..
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Old 10-10-2012, 07:53 PM
AWJ AWJ is offline
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Join Date: Oct 2012
Posts: 3

yes, replaced three broken plastic clamps w/metal clamps...except for the crankcase hose which I replaced, no sign of any other damaged hoses or fluid leaks.
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Old 10-11-2012, 02:36 PM
mfahey mfahey is offline
Join Date: Mar 2010
Vehicle: 2001 Grand Caravan ES
Location: Morris, Illinois
Posts: 334

It will be interesting to find out what the dealer comes up with. Another possible source is the seal at the top of the gas tank.
2001 GC ES, 203K miles, Chrysler 2000,000 mile club license plate holder
1988 GC LE, 208K miles(RIP)
2012 Camry hybrid
1970 Camaro, original owner
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Old 11-12-2012, 09:03 AM
AWJ AWJ is offline
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Join Date: Oct 2012
Posts: 3
Default P0442, P0455 2002 Grand Caravan

Solved...replaced Vacuum hose from PCV valve to top of valve cover with OEM hose. OEM hose has larger opening on end connecting to the valve cover...hose costs $3.
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Old 11-12-2012, 09:03 AM

2002, 2003, 2006, caravan, chrysler, dodge, grand, ldp, leak, located, p0442, p0442p0455p0456, p0455, p0456, vacuum

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