Where is the air injection pump?
The pump lies after the exhaust manifold and before the catalytic converter of the vehicle and it can reduce carbon emissions by pumping fresh air from outside into the exhaust stream.
What would be a concern if the SAI one way check valve was stuck open?
If a P2442 code comes up, a one-way check valve is stuck open in the secondary air injection system, causing too much airflow into the exhaust and allowing hot exhaust gas to travel back into the pump. If the PCM receives a voltage reading of more than 10% of the allowed amount the P2442 code will be stored.
What’s the diagnostic code for a Toyota Tundra?
In certain 2012 – 2014 Model Year Toyota Tundra and Sequoia vehicles equipped with a 5.7 Liter gasoline or 5.7 Liter-Flex Fuel engines, the Engine Control Module (ECM) may set a Diagnostic Trouble Code (DTC) if debris/ice becomes lodged in the air switching valve.
What does p2442 code on Toyota Tundra mean?
Symptom before finding the code was check engine light lit and flashing 4LO light, truck would got into “Limp mode” Very scary when this first happened, first couple of times this happened was able to reset computer by removing battery ground cable which cleared the problem.
Is there a recall on a Toyota Tundra?
Good news is, Toyota will pay for it all since you fit in the recall window assuming you have less than 150,000 miles. Read the attached. You need to call Toyota HQ (not your local dealer) immediately and inform them. GNTundra likes this.
When do I need to update my Toyota Tundra?
Toyota has developed new Engine Control software logic to help prevent this condition from occurring. Authorized Toyota dealerships are requested to perform a software update at NO CHARGE to the vehicle’s owner. This LSC will be available until February 28, 2016, and will only be available at an authorized Toyota Dealer.