ACR's not working?
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Grand HDF Member
Joined: Dec 2007
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From: Bay Area
ACR's not working?
I just got back from the dealer today, they hooked up my automatic compression releases and flashed the ECM to turn them on. I dont hear anything different when starting the engine both cold and when hot. How does one know if they are working or not? Im thinking you should hear some kind of compression noise at start up like the manuals...
Elite HDF Member
Joined: Nov 2010
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From: Simi Valley, CA
I just got back from the dealer today, they hooked up my automatic compression releases and flashed the ECM to turn them on. I dont hear anything different when starting the engine both cold and when hot. How does one know if they are working or not? Im thinking you should hear some kind of compression noise at start up like the manuals...
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Grand HDF Member
Joined: Dec 2007
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From: Bay Area
Is a comp test the only way to tell? I had the tank off today and checked voltage at the plug and there was none
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Elite HDF Member
Joined: Oct 2010
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From: DOWN SOUTH
Hit the nail on the head. Mine click while the fuel pump is priming.
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Grand HDF Member
Joined: Dec 2007
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From: Bay Area
I think Im going to call the dealer back because I dont hear any click, even with a stethoscope on the acr solinoid. Im thinking they reflashed the ecm, but didnt turn it on maybe.
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Grand HDF Member
Joined: Dec 2007
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From: Bay Area
Now I'm more confused. Appreciate all the suggestions here, but I stopped at the dealer and spoke to the mechanic that did the work. He said the new acr's don't make any noise and as said here goes out the exhaust. I guess I'm just going to have to put some miles on and see how it goes. Moco has a lot of faith in their solenoids working 100% I guess.