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2003 Dodge Caravan emission codes PO442, PO455, PO456

Tiny
NBHS1989
  • MEMBER
  • 2003 DODGE CARAVAN
My 2003 Dodge Caravan has the engine light on. The codes are PO442, PO 455, PO 456. I had the fuel filter changed yesterday and my car passed the smog test. My car for the last week has been stalling. While drving on th hwy it has low power. While driving in the city the car just stalls and shuts down. It definately has lost power. I was wondering if it could be the fuel pump? Any suggestions?
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Monday, August 7th, 2006 AT 1:36 PM

1 Reply

Tiny
MIKEYBDMAN
  • MECHANIC
  • 623 POSTS
These faults are telling you that you have an evaporative system leak. Here is what the book suggests as possible problems.

SET CONDITION
If there is a leak larger than 0.040 inch and smaller than 0.080 inch in the evaporative system.

POSSIBLE CAUSES

Good trip equal to zero
Verify evaporative emission system leak
Evaporative emission leak detection
EVAP purge solenoid leaks/stuck open
Intermittent LDP monitor failure
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Monday, August 7th, 2006 AT 2:17 PM

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