Question about 2006 Mercury Milan
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Posted on Jan 02, 2017
SOURCE: code po410
The P0410 code refers to the emissions system. The AIR pump puts air to the exhaust to lower emissions. It takes in outside air and pumps it through two one-way check valves into each bank of the exhaust.
About 90% of the time that this code is set, the one-way check valves have worn out or failed and allow water (which occurs naturally in the exhaust) back into the pump. In any cold climate, especially in climates with higher humidity, this water may be more excessive. The water partially fills the AIR pump, it can then freeze. When the PCM commands the pump on, if the pump is frozen it cannot turn, thus overloading the circuit and "popping" the fuse.
A code P0410 may mean that one or more of the following has happened:
This may be covered under the emissions warranty on the vehicle. If your vehicle is out of bumper-to-bumper warranty, check if the emissions warranty is still valid!
Posted on Apr 19, 2009
The most common cause is either a bad air pump (under your battery tray) and/or a bad SAS check valve which is connected in to your exhaust next to the firewall in the engine compartment. It could also be a bad relay for the motor. Less common, but possible, other bad components are the vacuum solenoid that controls the SAS valve, which is located by the radiator or a broken/leaking vacuum line to or from the solenoid.
You can test the motor by jumping the relay or applying 12v straight to it. If the motor runs it most likely is not the problem. If not, it's likely that there is water in it and you should replace both the motor and SAS valve. The SAS valve is a pain to get unbolted, at least on turbo cars. You can check the solenoid by just making sure there is vacuum going to the SAS valve a few seconds after starting up the car cold, and checking the lines for any obvious wear in the rubber elbows or breaks in the plastic line.
Posted on Apr 10, 2009
P0410 Secondary Air Injection System Malfunction
I am very familiar with this failure code, you are going to have to replace the secondary air injection pump, it has a failed motor in it, the code really indicates no airflow from the pump when commanded to be on.
Posted on May 28, 2009
Two of the more common problems with Auroras.
P0442 - There is a small solenoid (about $30.00) mounted near the L.R. wheel that will fix this.
P0410 - Usually due to leaking Air Injection Valves. These are about 2" square, one near the passenger side firewall, the other near the drivers side radiator. They cost about $200.00/ea. most people just leave it go as it does not effect performance.
Posted on Oct 12, 2010
did you replace the coil? and if you did was the 1st coil burned the same way? what is the resistance in the coil across the terminals and from secondary out put ( were it plugs on the spark plug ) to each of the plug in terminals. get this info and get back with me and we will see what we can do to get to the bottom of this mystery.
Posted on Apr 30, 2011
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