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All Products

Gen II - Our Gen II kits emulate the operation of the SAIS and ECM will read as Ready/Completed. It also eliminates all trouble codes dealing with the SAIS with the exception of the pressure sensor. Installs at the Air Injection Driver and Air Switching Valves. This is our recommended solution because it is the most comprehensive kit we offer.

Gen I - Our Gen I kits will prevent the SAIS from operating on a cold start and ECM will read as Not Ready/Incomplete. With this unit, all of the SAIS parts/components will need to remain in place for the computer to see continuity to them. Installs at Mass Air Flow sensor and Engine Coolant Temperature sensor. Also, the starter relay wire will need to be run from the bypass module to a terminal inside the fuse box.

Gen II Gen I
  • Covers both mechanical and Electrical SAIS error codes
  • Compatible with Toyota's current ECM Computer flash
  • Compatible with Flex Fuel Modes
  • Clears permanent codes
  • Covers only mechanical SAIS error codes*

*Kit Addons needed for each the following electrical codes: Codes P0418 & P0419 Each Require A Pump Proxy Pack, Codes P0412 & P0415 Each Require Valve Solenoid Pack

*When placing your order online be sure to select your Model/Year/Engine Size on the product page to ensure you receive correct kit

Please note, if there is any damage to the pressure sensors, Kit Addons would be needed for both Gen I and Gen II Kits. Contact us if you have any additional questions (844) 307-7671 or support@hewitt-tech.com

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Air Switching Valve Proxy (ASVPH)
SKU: ASVPH
Made to Order Combination of our Valve Replacement Pack and Pressure Sensor Replacement.
$250.00

Select Your Vehicle, Year, Engine:
UV Resistant Cable Ties
SKU: ZIP
These ties are specifically manufactured to be used for continuous or extended exposure to outdoor use and UV light specially. They are great for tying back loose wires during the SAIS installation. Click image for more details!
$1.40

Select Length:   12 x 7" UV Resistant Cable Ties (ZIP)
Pressure Sensor Replacement (PSR)
SKU: PSR
The PSR is a direct replacement for the Toyota factory pressure sensors on the 2.7L 2TR-FE and certain 4.7L 2UZ-FE vehicles that is no longer available.
$185.00

Select Your Vehicle, Year, Engine:
iCarsoft i800 OBDII Code Reader
SKU: 616245679811
1 Review(s)
The i800 is a diagnostic tool by iCarsoft that easily allows for you to read and clear generic Diagnostic Trouble Codes.
$65.00

Installation Accessory Pack (IAPW)
SKU: IAPW
This Installation Kit includes all the extras needed to make your Wired Bypass Kit look like it was installed by a Pro! Split Wire Loom, 3M Electrical Tape, Heat Shrink Tubing and Zip Ties.
$12.95

Heat Shrink Tubing (HST1/16")
SKU: HST(1/16)
3M® Polyolefin Heat Shrink Tubing - Black - non-adhesive lined 2:1 Shrink Ratio Provides shrink-fit protection and strain relief of wires, solder joints, terminals and connections.
$1.35 $1.25