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Home >> Volkswagen >> 2001 >> Jetta GL, 2.0 S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (1.9L - Fuel Injection Glow Plug, Engine Code ALH, From My 2002 (A4 Platform)) >> 23 Diesel Fuel Injection >> Diesel fuel injection components and functions, checking >> Needle lift sensor G80 , checking >> Notes

Needle lift sensor G80 , checking: Notes

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The needle lift sensor signal is used to determine the start of injection. If it fails the start of injection switches to open-loop control (using engine speed and engine load). During normal operation the start of injection is controlled by a closed-loop function (using engine speed, engine load and engine coolant temperature).

NOTE:
  • The gold-plated contacts must be used to repair terminals in the connector for the needle lift sensor G80.

Special tools, testers and auxiliary items required 

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