P0440
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Joined: Jan 2015
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From: GA
P0440
Got a P0440 on my 2002 LS430. Reset the code. Made sure the gas cap was on tight and changed the hoses to/from the VSV for EVAP which were hard and brittle (also saw some small cracks, but not sure if they're all the way through the hose).
We'll drive it and see (hopefully) that fixed the problem.
However, should I have to further troubleshoot, does anyone know whether:
The VSV for EVAP (part #101362-1821, located next to the EVAPservice port) is normally open or closed (no power applied)? Seemed to be closed as I didn't detect any airflow from one port to the other.
The VSV for the canister (part #184600-9210, located on the airbox) is normally open or closed (no power applied)? It appeared open as air was flowing from one port to another.
Thanks!!!
We'll drive it and see (hopefully) that fixed the problem.
However, should I have to further troubleshoot, does anyone know whether:
The VSV for EVAP (part #101362-1821, located next to the EVAPservice port) is normally open or closed (no power applied)? Seemed to be closed as I didn't detect any airflow from one port to the other.
The VSV for the canister (part #184600-9210, located on the airbox) is normally open or closed (no power applied)? It appeared open as air was flowing from one port to another.
Thanks!!!
Lead Lap
Joined: May 2006
Posts: 3,682
Likes: 304
Have had the same code but unfortunately with many attempts and replacement of hoses, gas cap, and smoke testing cannot resolve the code from popping up after resetting and clearing it. I have a fuel smell after driving but all else is fine. Learning to live with it. Changing the charcoal cannister is an expensive ordeal and I’m not going there. Good luck and let us know if you have better luck than me.
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Joined: Jan 2015
Posts: 36
Likes: 1
From: GA
Sorry to hear that. Surprised they couldn't find it with a smoke machine.
I am going to continue replacing any rubber hoses that have hardened and would also like to ensure both solenoids are working. Beyond that, like you, I am loathe to spend $550+ for an aftermarket charcoal canister. I've read that many times (if a cracked canister is the problem) , you can epoxy the crack.
Still interested if anyone knows what the open/closed states of these solenoid's are and what their pin-outs are
I'll update the status as it changes!
I am going to continue replacing any rubber hoses that have hardened and would also like to ensure both solenoids are working. Beyond that, like you, I am loathe to spend $550+ for an aftermarket charcoal canister. I've read that many times (if a cracked canister is the problem) , you can epoxy the crack.
Still interested if anyone knows what the open/closed states of these solenoid's are and what their pin-outs are
I'll update the status as it changes!
Lead Lap
Joined: May 2006
Posts: 3,682
Likes: 304
Sorry to hear that. Surprised they couldn't find it with a smoke machine.
I am going to continue replacing any rubber hoses that have hardened and would also like to ensure both solenoids are working. Beyond that, like you, I am loathe to spend $550+ for an aftermarket charcoal canister. I've read that many times (if a cracked canister is the problem) , you can epoxy the crack.
Still interested if anyone knows what the open/closed states of these solenoid's are and what their pin-outs are
I'll update the status as it changes!
I am going to continue replacing any rubber hoses that have hardened and would also like to ensure both solenoids are working. Beyond that, like you, I am loathe to spend $550+ for an aftermarket charcoal canister. I've read that many times (if a cracked canister is the problem) , you can epoxy the crack.
Still interested if anyone knows what the open/closed states of these solenoid's are and what their pin-outs are
I'll update the status as it changes!
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