UN07144-BACK PRESSURE TSET KIT
Diagnostic Series » Brake & Clutch and Master Cylinder Pressure
●SIMPLE, QUICK AND ACCURATE TEST KIT
FOR CLOGGED CATALYTIC CONVERTER AND
MUFFLERS, ETC.
●SAVE YOUR TIME FROM THE TOUGH
DISASSEMBLING THE CATALYTIC CONVERTER
BEFORE HAVING AN ACCURATE DIAGNOSIS.
BACK PRESSURE TEST STANDARD
►START THE CAR, THEN READ THE GAUGE READING FOR THREE SITUATIONS AND STANDARDS :
► WHEN THE ENGINE KEEPS SLOW SPEED , THE READING SHOULD BE UNDER 1 PSI .
►WHEN THE ENGINE REACHES/KEEPS 3000 RPM , THE READING SHOULD BE UNDER 2 PSI .
►WHEN THE ENGINE REACHES/KEEPS THE HIGH SPEED , THE READING SHOULD BE UNDER 5 PSI .