2005 Toyota Sequoia Secondary Air Injection Pump Location

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2005 toyota sequoia secondary air injection pump location.

So the other day i had the dreaded limp mode. Fits sequoia 2005 2009 air injection system air pump repair or replace a failed air injection pump or secondary air pump will often have no noticeable symptoms beyond a check engine light but it does cause your toyota sequoia to operate inefficiently and produce higher emissions. Vacuum is then applied to both air combination valve diaphragms. Secondary air injection pump issue on a 2005 4 7 v8 toyota tun.

And toyota even knows about it for the same engine. Failure of the secondary emissions air pump system and air pump valves in their 4 7l v8 engine. There are two systems available a rutech and hewitt tech. This trouble code indicates that the powertrain control module has detected a malfunction with this system on the bank 1 side of the engine.

Mechanic confirmed that the secondary air injection valve was stuck open and that it would be 2800 to repair. Toyota would not publish a tsb on this yet but are taking calls to review re imburse cases. Toyota sequoia 2005 2006 fuse box diagram. P0418 toyota description an air pump is used on the vehicle to lower tail pipe emissions on start up.

This repair is for if your pump is making noise upon cold start and going away after a minute. We failed on one vehicle and other seems to be on its way. Toyota warranties air pump system reimbursement available tundra headquarters blog after arguing back and forth and the guy literally telling me we have documented cases on this issue and acknowledge there is a defect but we cannot offer a. After researching i decided to bypass that system as it was all replaced under warranty once before in 2013.

The powertrain control module grounds the air pump relay control circuit which energizes the air pump the pcm also grounds the air combination valve vacuum control solenoid circuit which energizes the air vacuum control solenoid. Toyota 4 runner owners please call 1 800 332 4331 your engine part is most likely to fail if not already. These kits offer a cost effective solution for the failure prone secondary air injection systems found on certain toyota truck and suvs. The secondary air injection system is designed to pump outside air into the exhaust in order to help reduce harmful emissions.

This video shows the actual replacement of the smog pump and its associated valves in a 2006 toyota sequoia tundra.