Passat (B3)
Servicing Diesel direct injection system
Servicing injectors
Special tools, testers, measuring instruments and auxiliary items required
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This engine is equipped with dual spring injectors. The fuel injected therefore occurs in 2 stages. → Checking opening pressure Warning!
When testing injectors ensure that the jet of fuel does not contact the hands as the high pressure will cause the fuel to penetrate the skin and may cause severe injuries.
Checking for leaks
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