2001 Audi A4 1.8t, cranks but won't start. NO communication to any control modules except transmission. Replaced crank sensor and ECM power control relay. NO change. Any ideas??

60

Asked by Jan 21, 2014 at 11:12 AM about the 2001 Audi A4 1.8T Quattro

Question type: Maintenance & Repair

Check engine light does not light when key is in position 2.

1 Answer

435

sounds like 5v reference is grounded somewhere. check all the sensors that run on the 5v ref.

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