The bypass kit can prevent many of the trouble codes caused by a mechanical failure of the secondary air pump or a secondary air valve saving you as much as a 2000 4000 on a repair bill turn off your cel.
2005 toyota sequoia secondary air injection pump bypass.
Lexus gx 570 lexus lx 470 lexus lx 570 limp mode off road sais bypass kits sais aip secondary air injection sequoia toyota toyota bypass kit tundra.
I check with local toyota dealership and aftermarket parts and found that the air injection pump is very expensive.
2008 tundra 5 7l was in limp mode due to cel being on code p2445 i found water in air injection pump regulator on bank 1 and had corrosion in the valve assembly so would obviously need new valve and air pump which was around 1200 cost in parts alone.
P1441 p1442 p1444 p1445 p2440 p2441 p2442 p2443 p2444 p2445 p2446 p2447.
I had a code po418 with engine service light on.
With all the issues surrounding the toyota 4 7l and 5 7l engines regarding the secondary air injection pump system which causes the vehicle to enter into limp mode and makes driving on the highway nearly impossible their is a company called rutech solutions that sells a bypass kit to resolve the issues for around 179.
The hewitt tech sais bypass kit prevents operation of the sais at cold start thus letting you clear your related trouble codes the cel and limp mode.
Saved hundreds and passed without issue.
I starter checking on the web and ran across a forum that talked about a bypass kit.
I have a 2007 toyota tundra with a 4 7l.
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There is a kit for the 4 7l and one for the 5 7l.
The hewitt tech secondary air injection system bypass kit wired.
The secondary air injection system bypass kit plug and play.
Ordered the plug and.
These kits offer a cost effective solution for the failure prone secondary air injection systems found on certain toyota truck and suvs.
Secondary air system induction pump bypas for toyotas engine codes.