This Customer Support Program only applies to vehicles that have exhibited the condition described above. When I took my truck in they needed to keep it over night so that they could do a cold start up. My son is willing to take off intake, my concern would on how to test related components. So i guess if i just took it in for the lsc before i had the issue, that may have prevented an aip failure? So, has anyone ever tried this? The cause of the above check engine codes are the pump that distributes debris downstream into the valves. Hope that helps 739+ tax isn't actually a bad price, but it sounds like they are just trying to replace the valves.
A guy on the internet makes a buy pass kit, there is a You Tube video of the bypass. It is also important to add a drain tube onto the pump housing when replacing the secondary air injection pump, as failing to do so could cause multiple secondary air injection pump failures in the future. I ended up ignoring it instead of trying the module and the engine code went away after a while. Toyota is providing additional customer support for repairs related to the Air Injection Pumps and Air Switching Valves. . The only thing it could fail the test would be the visual.
The observes the pressure in the secondary air passage using the pressure sensor located on the air switching valve in the secondary air injection system. The enables both circuits simultaneously when Air system operations id desired. Next, they check the fuses of air injection system and look for signs of a blown fuse. Note that this is a rare event, and the fault must be sought elsewhere before any control module is replaced What are the symptoms of code P2441? Also have u had the recall reflash done for that problem? Clearing out the system of the debris is worth a shot. I noticed after picking my truck up that the check engine was not on, but came on the next day after warming up. How Serious is the P2442 Code? I would try the reflash mentioned above first though Here is a link from when I was looking into it a while back. The sensor detects an exhaust pressure in the secondary air passage.
The engine still ran with no noticeable problem. Check engine light came on yesterday so I brought it to my local place that does my oil change which is not a dealership. Attach the vacuum pump to the valve, but be sure to not exceed the test vacuum value specified in the manual both to obtain the most accurate test results, and to prevent damage to the vacuum solenoid. What are the details of this program? Freeze frame data record the engine condition when malfunctions are detected. So in short, It won't hurt anything if this system isn't functioning which is why I chose to ignore it , but you should definitely have it fixed in some way so the engine code goes away and you don't miss problems that may arise in the future.
This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. I cleaned the valves up but still had problems. From everything I read, when the engine is first started cold. But if you can get it replace under warranty I would and did. Next, they check the vacuum switching valve connectors for damage, bent pins, or corrosion.
If no visible damage is found, be sure to refer to the manual for the correct procedure to follow to test associated wiring for resistance, ground integrity, continuity, and reference voltages. Just don't tell them you or any other shop tried to fix it already. On most applications, the switching valve is operated by a vacuum solenoid that uses engine vacuum drawn from the inlet manifold. From everything I read, when the engine is first started cold. The secondary air is supplied by the air pump and it is pumped to the exhaust manifold through the air switching valve.
It's definitely expensive so I understand. It did not fall under the limited warranty 36,000 miles. The air injection system can get water or moisture in it. I went to a 'higher quality' manufacturer because of issues I was having with other brands. However, all other codes that precede P2441 on all other applications should be resolved before attempting a diagnosis of P2441.
Specifications on the definition, troubleshooting, and repairs, of course, vary from one make and model to another. The car would not go above 40mph. I drove it over to the dealership nearby and left it there for them to take a look and see what they say. Reimbursement consideration instructions will be provided in the owner letter. The pressure should be 2. The enables both circuits simultaneously when Air system operations id desired.