How do I repair engine code P0455 and P0449 on a chevy malibu maxx 2006?

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How do I repair engine code P0455 and P0449 on a chevy malibu maxx 2006?

Postby taslim74 » Fri May 11, 2012 7:46 am

chevrolet 2006 malibu maxx
3500 V6 engine
check engine light on
2 engine codes P0449 and P0455
what is the needed repair?
taslim74
 
Posts: 39
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How do I repair engine code P0455 and P0449 on a chevy malibu maxx 2006?

Postby raed32 » Fri May 11, 2012 7:47 am

P0449 GMC
P0449 GMC - EVAP Purge/Vent Solenoid Circuit Condition

Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
Possible causes

- Purge or vent solenoids defective
- Check convector and wiring
- Fuel saturated vapor canister
- Failed EVAP vent solenoid

Possible solution
- Replace Evaporative Emission (EVAP) Vent Valve Solenoid

When is the code detected?
The PCM has determined that a malfunction exists in the electrical circuit for the vent valve/solenoid in the evaporative emission control system.

P0449 GMC Description

The PCM monitors the EVAP Vent Valve/Solenoid system wiring for opens or shorts.

This mmight be causing p0455 which is a leak in the evap control system this is usually a loose or leaking gas cap
raed32
 
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