The Nissan ZD30 family of engines is a 3 litre (2953 cc), inline 4 cylinder diesel engine that replaces the Nissan QD engine. It is/was available in both traditional turbo, variable geometry turbo (aka VGT or VNT), and non turbo variants. The engine uses a Drive-by-wire ECU system with a draw-through MAF sensor. It was produced from 1999 – current, the newest models feature a common rail fuel system design.
The PDF below may be of assistance to visitors seeking some fault finding measures and diagnostic Descriptions.
You may freely download this document
Diagnostic Description ZD30DDTi
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Chip Tuning