Cell P0449

RedLineWizzard · 04-03-2007, 06:58 PM

started pulling this code.Evaporative Emission(EVAP)Vent Solenoid Control Circuit ECM. anyone seen this one befor? anyone have any ideas??

superbird · 04-03-2007, 07:23 PM

u have ne cats?

BLOWN ION · 04-03-2007, 07:31 PM

the 'birds hungry!! j/k man.

Something to do with the catalytic converter it sounds like.

superbird · 04-03-2007, 07:32 PM

its all in ur stupid EGR system

RedLineWizzard · 04-03-2007, 07:39 PM

mmmm tacos ....sounds like it time to gut the cat

SWCRedline · 04-03-2007, 11:38 PM

Just because "Emissions" shows up in the code description doesn't mean it is related to the Cat Converter.

Hard to diagnose this without a Tech 2 because you have no way to cycle the EVAP Vent Solenoid on and off at will. Possibly the vent solenoid itself which is located on the charcoal canister back by the gas tank. Or you have a wiring problem. Does reset if cleared? Just for the hell of it, check the 30A Batt 1 Fuse, the 15A Emiss fuse (both underhood) and the 5A ECM fuse (BCM/Interior Fuse Box) All of those are on the circuit, however any of them being open should cause other things to fail as well.

superbird · 04-04-2007, 05:46 AM

Quote:

Originally Posted by SWCRedline

Just because "Emissions" shows up in the code description doesn't mean it is related to the Cat Converter.

Hard to diagnose this without a Tech 2 because you have no way to cycle the EVAP Vent Solenoid on and off at will. Possibly the vent solenoid itself which is located on the charcoal canister back by the gas tank. Or you have a wiring problem. Does reset if cleared? Just for the hell of it, check the 30A Batt 1 Fuse, the 15A Emiss fuse (both underhood) and the 5A ECM fuse (BCM/Interior Fuse Box) All of those are on the circuit, however any of them being open should cause other things to fail as well.

i said EGR fuck face

SWCRedline · 04-04-2007, 08:05 AM

Quote:

Originally Posted by superbird

i said EGR fuck face

Even if the car had one, I'd doubt you knew what it did or what it even stands for.

06blackg85ss · 04-04-2007, 08:34 AM

probably the gas cap man. check it, tighten it and the CEL should go away

Shabodah · 04-04-2007, 08:37 AM

Quote:

Originally Posted by 06blackg85ss

probably the gas cap man. check it, tighten it and the CEL should go away

Even if it was a small or large evap system leak, it can take up to 40 ignition key cycles for the code to clear.

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