The pressure tester VAS 6551 is required to check the fuel pump on diesel engines.
The application is described in the workshop manual.

Technical data:

Version:
Digital pressure gauge with ACTUAL, MIN and MAX display
Bar graph with 33 segments (trailing pointer function)
Input:
Quality grade 0.5 (-1 to +16 bar), 0.1 bar increments
Pressure connection: Stainless steel 1.4404
½ ", BSPP ISO 1179-2 (pressure gauge connection EN 837)
Voltage supply:
Battery 2x1.5 VDC AA (LR6-AA) alkaline (Mignon)
Battery service life = 1500 h
Housing: Diameter = 79 mm, T = 33 mm
Zinc pressure cast with blue rubber protection TPE
Connection to VAS tester: via universal connection lead VAS 5051/66
Display: 4¼ digit LC display in bar
Unit of measurement selection via menu (bar, PSI, mbar, Kpa, Mpas)

Items supplied

In storage case:
Pressure tester (diesel)
Hose line VAS 6551/1
Hose line VAS 6551/2
Test lead VAS 6551/3
Test lead VAS 6551/4

Recommended accessories

Connection lead
VAS 5051/66, ASE 405 088 00 000

24 months