SCR pressure testing from Laser Tools
Laser Tools’ workshop equipment portfolio includes a selective catalytic reduction (SCR) system pressure test kit.
When SCR (AdBlue injection) systems fail, the engine will initially fall in to ‘limp mode’ and if not corrected, says Laser Tools, eventually the vehicle OBD system may prevent the vehicle from starting.
“Part of the diagnostic routine for these [SCR] systems is to measure the pressure in the system both electronically via the OBD diagnostic software and protocols, and dynamically using pressure test gauges.”
The test kit from Laser Tools (part number 8060) provides the gauge and connection pipes required to allow the 
user to directly measure the system pressure at the injector (dosing module) or pump.
The kit is supplied with a pressure gauge equipped with pipework and connectors to connect into the SCR system.
Two additional 300mm connection pipes are also supplied, fitted with straight and 90° connectors to assist with hook-up in restricted areas. The test kit is then used with the OEM diagnostic software and protocols.
The test kit is available from local Laser Tools stockists.
