SAI / EVAP Resistor Square Style N75 N80 N112 N249 MK4 1.8T, B5 2.7T, B6 1.8T
Quickly isolate faults or test a suspect solenoid without cutting into the factory loom. This plug-and-play resistor jumper snaps directly into the OE connector, letting you test secondary-air, purge, boost-control, or cam-adjust solenoids in seconds—no special tools required.
Instant Plug-In – OE-style oval connector mates with the harness; no splicing, no adapters.
Field-Friendly – Pop it in, pull it out—perfect for road-side checks or garage diagnostics.
Versatile Coverage – Useful on SAI, N80, N75 boost-control, and VVT actuators across 1.8T and 2.7T platforms.
Kit Contents
Qty
Connector Style
Typical Applications
Square resistor plug
N112 diverter valve, N249 diverter control, N75 boost control, VVT solenoid
Note: Most trouble codes can be confirmed or cleared with this resistor tool. However, code P0411 (Secondary-Air “Incorrect Flow”) still requires proper diagnostic software to verify flow and finalize the repair.
- Volkswagen Passat (1997-2005)
- Volkswagen Passat (2005-2010)
- Audi A4 (1996-2003)
- Audi A4 (2000-2004)
