P0442 Toyota Tundra

This is a potentially VERY expensive problem.

P0442 toyota tundra. When it goes bad it typically causes issues with the vehicles idle speed. P2442 TOYOTA Description To accelerate the activation of catalyst when warming up the engine the air injection system pumps the secondary air to the exhaust manifold by pressure. P0442 TOYOTA code description The Engine Control Module ECM tests the Evaporative Emission EVAP system for the following conditions.

It often appears with other codes such as P0420 P0441 or P0440. This code may also come up when a gas cap is replaced with a non-OEM gas cap that doesnt fit correctly. Im assuming yours is the diesel.

Toyota Tundra P0442 Causes There are many things that can cause the P0442 trouble code on the Toyota Tundra. The most common problem is far and away the first one listed below. This is especially true right after you fuel up.

P0446Indicates that there is a fault in the evaporative emission control system. Here i show you how to test and inspect the evap system of this toyota tacoma. P1442 Toyota - Stuck Closed In Secondary Air InjectionVacuum Switching Valve Bank 1.

What Triggers Code P0442. About 4 weeks ago I had a check engine code of P1442 and I took it to an independent garage and they replaced one of the secondary air intake switching valve. A very common trouble code with the Toyota Tundrais the P0446 code.

I have a 2005 Toyota Tundra Limited. Typically the code will be triggered by the upstream oxygen sensor before the converter. There arent usually any drivability issues associated with P0420.