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CNG inspection

2-1 Alternative Fuel System Installation Certificate

Reason for rejection

Mandatory equipment

1. A vehicle fitted with an alternative fuel system in working order does not have an Alternative Fuel System Installation Certificate (Note 1) (Note 2) (Figure 2–1–1).

2. A CNG fuel system fitted to a vehicle does not comply with an applicable standard specified in Table 2-1-1.

3. A vehicle fitted with a CNG alternative fuel system to NZS: 5422: 1987 does not have an identification plate displaying:

a) the text ‘CNG’, or

b) the identification number of each cylinder, or

c) the date of installation, or

d) the water capacity of the total installation, or

e) the date of the last retest, or

f) the vehicle registration number.

4. A vehicle fitted with a CNG alternative fuel system to AS/NZS 2739 does not have a CNG compliance plate securely attached to the body work in the engine bay in a clearly visible location.

5. The installation certificate or identification plate or compliance plate (Figure 2–1–2):

a) does not match the vehicle, or

b) does not match the alternative fuel system fitted to the vehicle, or

c) is not legible, or

d) is not valid.

Note 1

Installation certificates are prescribed by the NZ Transport Agency (including its predecessors). The most recent certificate is provided in Sample certification documents.

Note 2

Where no original installation certificate can be produced, a new installation certificate must be issued.

Table 2-1-1. LPG standards requirements
Date the LPG System was fitted

Before 1 July 2005

On or after 1 July 2005

Must comply with:

  • NZS 5442: 1987, or
  • AS/NZS 2739: 2003

Must comply with:

  • AS/NZS 2739: 2003
 

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Figure 2-1-1. Alternative Fuel System Installation Certificate (MOT 4069)

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Figure 2-1-2. CNG Compliance plate

Summary of legislation

Applicable legislation
Mandatory equipment

1. A vehicle that is fitted with an alternative fuel system in working order must have an Alternative Fuel System Installation Certificate before it is issued with an Alternative Fuel Inspection Certificate.

2. The alternative fuel system must match the installation certificate and fully comply with the requirements of TR76 and any approval granted under them.

3. A CNG fuel system installed in a vehicle must comply with an applicable CNG fuel system standard as specified in Table 2-1-1 (Note 3).

4. A vehicle fitted with a CNG alternative fuel system to NZS: 5422: 1987: Part 2 must have an identification plate installed near the refuelling connection clearly visible to the refueller displaying ‘CNG’, the cylinder identification numbers, the date of installation, the water capacity of the total installation, the date of the last retest and the vehicle registration number.

5. A vehicle fitted with a CNG alternative fuel system to AS/NZS 2739 must have a CNG compliance plate securely attached to the body work in the engine bay in a clearly visible location.