A hot engine may cause serious
burns. Always use caution when
approaching a hot engine.
When using the vehicles
temperature gauge to determine
engine temperature, dont forget to
turn the rotary switch to RUN. The
gauges dont work when power
The colder the engine (and air temperature),
the more you need the glowplugs for starting.
There are some times when you dont need to
run the glow plugs test. If the engine is warm
and the problem is there on a hot day, then
the problem is probably NOT the glow plugs
or cold start advance, and these tests may
If its colder than 50°F, run
the glow plugs circuit test, because just a few bad
glow plugs can make a minor starting problem
If the vehicle passes the STUICE-R
compression unbalance test, it may still
have a compression problem, but it would
mean that every cylinder has low
This is possible, but not too
likely. If youre confident that
everything else is working properly,
notify DS maintenance
1. Run tests 72. 73. and 74 to verify that the
batteries are OK.
THE GLOW PLUGS CONTROLLER
THE CONTROL VALVE ELECTRICAL
MUST BE DISCONNECTED
PRIOR TO RUNNING THIS TEST.
2. Disconnect wire 54A at injection pump to
3. Disconnect glow plugs controller and control
valve electrical connector (to keep waveform
4. Start Test 14. compression
5. Wait for the GO message. Crank the engine.
6. Release the rotary switch when the VTM
displays OFF. A number less than 25%