Help identifying wire disconnected by firewall, back of manifold.
- Thread starter Eish12
- Start date
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That's what I'm wondering
The VLOM contains the deactivation solenoids for the cylinder deactivation
And that's the connector for it at the rear of the intake...
I would think you'd still have it connected as the diablosport just
prevents it from going into the afm/dod mode. And I would think that with
it disconnected, it would throw codes
And that's the connector for it at the rear of the intake...
I would think you'd still have it connected as the diablosport just
prevents it from going into the afm/dod mode. And I would think that with
it disconnected, it would throw codes
so did they buy the vlom plate and tell him there was a deactivation solenoid on it that turned afm off?
I'm so confused by this whole thing haha. feels like the shop didn't understand how afm works and just made things up.
but no, once turned off in the ecm, that doesn't need to be plugged in. since with a true delete kit with standard lifters you replace the vlom with a smooth lifter valley plate anyways. there's nothing to plug into.
I'm so confused by this whole thing haha. feels like the shop didn't understand how afm works and just made things up.
but no, once turned off in the ecm, that doesn't need to be plugged in. since with a true delete kit with standard lifters you replace the vlom with a smooth lifter valley plate anyways. there's nothing to plug into.
This explains best........
"An "active fuel management deactivation solenoid" is a component in a car engine, specifically in General Motors vehicles, that electronically controls the activation and deactivation of cylinders by collapsing the valve lifters, essentially "turning off" some cylinders under light load conditions to improve fuel efficiency; it's also known as a cylinder deactivation solenoid or part of the "Displacement on Demand" (DoD) system. "
Dorman Cylinder Deactivation Solenoid 917-162XD
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That would make sense, because that's what was being looked at. And I agree, you would think you'd be throwing codes if it was disconnected. Evap code still hasn't come back, but the catalytic code is still there. Thanks for the reply!
From what I can assess, the shop didn't fully understand the system, or they did but they just rushed through it. They didn't deactivate the AFM with the Diablo sport that came with the crate engine. When I went back to them, they then realized it, tried to put it on me, then told me I needed to order this deactivation solenoid.
When I brought them the deactivation solenoid, they attempted to put it in and realized that it had a smooth plate already in there. Thus, they gave it back to me and said that the solenoid wouldn't work, go ahead and return it. At that point I had already taken it upon myself to deactivate the AFM with the Diablo sport.
So when I recently got the vehicle back, it was throwing an evap code and it has what sounds like lifter noise. That's when I realized they hadn't connected an evap hose. In the process. I saw this plug that was disconnected, and that's where my confusion came in.
When I brought them the deactivation solenoid, they attempted to put it in and realized that it had a smooth plate already in there. Thus, they gave it back to me and said that the solenoid wouldn't work, go ahead and return it. At that point I had already taken it upon myself to deactivate the AFM with the Diablo sport.
So when I recently got the vehicle back, it was throwing an evap code and it has what sounds like lifter noise. That's when I realized they hadn't connected an evap hose. In the process. I saw this plug that was disconnected, and that's where my confusion came in.
