2003 Dodge Caravan EVAP Codes

2003 DODGE CARAVAN
Avatar
NBHS1989
  • MEMBER
  • 2 POSTS
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?
Aug 7, 2006 at 6:36 AM
Advertisement
Avatar
MIKEYBDMAN
  • ✓Experienced Mechanic
  • 623 POSTS
[quote:e08ff7037e="NBHS1989"]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?[/quote:e08ff7037e]

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
Aug 7, 2006 at 7:17 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.

Suggested Repair

Diagnose the evaporative emissions system for a leak larger than 0.040 inch and smaller than 0.080 inch. Check the EVAP purge solenoid for leaks or sticking open and the leak detection pump monitor for intermittent failure. The expert did not confirm a fuel pump fault.

Conversation Summary

The owner of a 2003 Dodge Caravan reports check-engine codes P0442, P0455, and P0456, a recently replaced fuel filter, a passed smog test, stalling, highway power loss, and shutdowns in city driving, and asks whether the fuel pump is at fault. The expert says the codes indicate an evaporative system leak and lists possible causes including verifying the leak, a leaking or stuck-open EVAP purge solenoid, and intermittent leak detection pump monitor failure.

Related Repair Questions

Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle