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Engine Diagnostics

Engine Diagnostics

A check-engine light or performance problem can have several possible causes. Mao Motors can read available fault codes and review diagnostic information alongside the vehicle's symptoms. A scan may narrow the cause, but further testing can be needed before repair options and a quote are confirmed.

NZTA WoF guidance MTA public listing
from $89 incl. GST

Final scope and timing depend on the vehicle and work required.

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What's Included

  • OBD-II and manufacturer-specific diagnostics
  • Live data analysis and fault code reading
  • Engine performance testing
  • Emissions system diagnostics
  • Electrical system troubleshooting
  • Findings and next steps discussed

Frequently Asked Questions

What does a check engine light mean?+
A check-engine light can have several possible causes. Mao Motors can read available fault codes and review the symptoms, but further testing may be needed before the cause and repair options are confirmed.
How much does engine diagnostics cost?+
Mao Motors lists computer engine diagnostics from $89 incl. GST. Contact the workshop to confirm what the initial diagnostic work includes for your vehicle and whether further testing may be needed.

Other Services

Warrant of Fitness (WoF)

WoF inspections from $60 incl. GST at Mao Motors in Wairau Valley. Review what the inspection covers and contact the workshop to arrange a time.

from $60 incl. GST

Oil and Filter Service

Oil and filter service from $120 incl. GST at Mao Motors in Wairau Valley. Contact the workshop with your vehicle details to confirm the service scope.

from $120 incl. GST

Brake Repair & Service

Brake inspection and repair options from $149 incl. GST at Mao Motors in Wairau Valley. The required work is confirmed after inspection.

from $149 incl. GST

Battery Service

Battery testing and replacement from $160 incl. GST. MTA Member workshop in Wairau Valley, North Shore Auckland.

from $160 incl. GST

Transmission Service

Automatic and manual transmission service options from $149 incl. GST at Mao Motors in Wairau Valley. Contact the workshop to discuss the symptoms or maintenance required.

from $149 incl. GST

Tyre Services

Tyre supply and fitting options from $120 per tyre incl. GST at Mao Motors in Wairau Valley, with balancing, rotation and alignment services available.

from $120 incl. GST per tyre