This particular injector failed due to the fact that the fuel flows were too high at both the 500 RPM and the 1000 RPM check points.  All reports will indicate any errors/problems in red.  If we fax a report, obviously the colours will not be visible.  In this situation, we would circle all values in red.

Each injector on the report will have 5 columns plus a graph:

• Column 1:  This column contains the colour key for the pressure/time graph.  The 500 RPM graph is green, the 800 RPM graph is in red, while the 1000 RPM graph is in blue.
• Column 2:  This column is the speed at which this test was run.  Please note that this is injector (or camshaft) speed which would be ½ of actual engine speed.
• Column 3: This column is the PIP (Peak injection Pressure) of the injector at the given RPM.  If PIP was too low (or too high) it would be in red.  This is a valid reason for injector failure.  Unfortunately, the report does not provide the required specification for this test.
• Column 4:  This column provides the measured fuel delivery in CC's per minuet for the given RPM.  If this fuel delivery was not within the range the values will be in red.
• Column 5:  This is the nominal or the specification of the fuel flow.  There will be an allowed plus/minus range which will depend on the part number of the injector being tested. 
• Graph:  The graph shows injection pressure in Bar on the vertical axis versus time in milliseconds on the horizontal access.  During our test procedure we compare this graph to a good graph, but the report does not convey this information.  Normally a failed pressure vs time graph will also show up with failed values in the other columns.

Other areas of the report may include notes (that we added) prior to printing.  Additional information on the subject of testing EUI's is available here.