2005 TOYOTA TUNDRA P1442, P1445, P2440, P2441
Stop wasting your time looking on the web if you have these codes on your truck. This is the only way to fix this DTC codes.
We have done about 20 of these trucks already and this is the only way to get rid of this problem. First three cars we had to redo the job for three times before the problem was fixed. First you need to remove the intakemanifold to be able to get all the parts out. You must replace all the parts that are listed here.
1. Air Switch Valves. See image
2. Air Switching Control Valve. See image
3. Air Injection Pump. See image
Also check all the hoses that are connected to all the components you are replacing.
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