Remove the wiring from the injection pump switch.
Remove the glow plugs.
Using a flexible connecting hose, screw the compression tester in place of the glow plugs.
The check is carried out for approximately 4 seconds, rotating the engine with the starter. Reading: 20 bar, pressure difference: max. 1.5 bar.
Screw in the glow plugs and tighten to 20 Nm, connect the electrical wiring.
Connect the wiring to the injection pump switch.
[Text copied from an internet website: Opelbook.ru]
Compression check (Opel Ascona C)
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