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Eric, Automotive Repair Shop Manager
Category: Dodge
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Experience:  20+ yrs. experience as repair shop manager and technician.
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2001 dodge dakota: The check engine light is on and showing P0455

Resolved Question:

I have a 2001 dodge dakota. The check engine light is on and showing P0455 , Do you know what the problem is? thanks
Submitted: 5 years ago.
Category: Dodge
Expert:  Eric replied 5 years ago.

Hi,

 

DTC P0455 - evaporative system large leak detected.

 

In order to find the source of the leak, a special smoke machine is used to inject smoke thru the evap system and trace the leak.

 

There are a couple of common failure areas you can inspect yourself for broken, cracked, or disconnected vacuum lines- check EVAP purge slenoid, EVAP leak detection pump, and the EVAP canister

 

graphic

graphic

 

 

graphic

 

 

The EVAP canister is located on the inside of the leftside frame rail just in front of the fuel tank.

 

If the vacuum hoses are connected and no apparent breaks or cracks in them, an no cracks in the components themselves on inspection, then it will HAVE to have a smoke machine hooked up in order to find the leak

Eric, Automotive Repair Shop Manager
Category: Dodge
Satisfied Customers: 24216
Experience: 20+ yrs. experience as repair shop manager and technician.
Eric and 11 other Dodge Specialists are ready to help you
Customer: replied 5 years ago.
is it ok for me to make my trip?
Expert:  Eric replied 5 years ago.

Hi,

 

The evaporative emissions leak should not affect being able to make a trip with it

Eric, Automotive Repair Shop Manager
Category: Dodge
Satisfied Customers: 24216
Experience: 20+ yrs. experience as repair shop manager and technician.
Eric and 11 other Dodge Specialists are ready to help you

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