Do you need the air injection pump?
The secondary air injection pump (also referred to as a smog pump or SAI pump) is responsible for lowering the number of carbon emissions that come out of the tailpipe of a vehicle. This is necessary since a vehicle engine is never 100% efficient in the combustion process.
What is the purpose of the secondary air injection system?
Secondary air injection (commonly known as air injection) is a vehicle emissions control strategy introduced in 1966, wherein fresh air is injected into the exhaust stream to allow for a fuller secondary combustion of exhaust gases.
Can a car run without an air pump?
Which begs the question: Does a car need a secondary air injection system to run? Strictly speaking, no, it doesn’t.
How do you bypass air injection in a Toyota Tundra?
A crafty Toyota driver has engineered an air injection pump bypass module that tricks the truck’s computer thinking the pumps and valves are working. The module itself is wired into the mass air flow (MAF) sensor harness, and it gives your Tundra’s engine computer the impression that the air injection system isn’t needed.
Do Toyota Tundras and sequoias have air injection system problems?
A new solution is available for Toyota Tundras and Sequoias that have malfunctioning air injection system. Tundra Headquarters first ran an article “ Tundra and Sequoia $4000 Air Injection System Problem ” in 2010 when the stories of outlandish repair costs to the nonessential system began flooding forums and blogs.
Where to buy Toyota AIP bypass kit?
Apologies for the website error in my post – best bet is to find these modules on Ebay – look for ‘Toyota AIP Bypass Kit’, and you’ll find a variety of options. The modules mentioned above by DaveK are not affiliated with my kits and are not the subject of the the original article.
Does the 2nd gen Toyota Tundra have secondary emission system problems?
Although Toyota extended the warranty on the 2nd Gen tundras to cover replacement or repair of the system plenty of us have been shafted and stuck with only 2 options to remedy the problem: pay several thousand dollars to replace/repair the AIP secondary emission system or go to lengths to bypass and eliminate the system all together.