Cleaner Fuels: FAQ



My Car

How do I know which Petrol grade is the most suitable for my car?

A database has been compiled which indicates the requirements of virtually all models present on our roads. This has been made widely available, including on the National Association of Automotive Manufacturers (NAAMSA), South African Petroleum Industry Association (SAPIA) and Engen websites. For each model, the data indicates, separately for coastal and for inland operation, which grade is recommended (by the manufacturer for optimal operation) and with which other grades the vehicle is compatible (i.e. on which it will operate satisfactorily and without engine damage, but not necessarily with optimal power, performance and efficiency on certain vehicles). The motorist has the option to use any grade which is shown as being either recommended for, or compatible with, the vehicle. Motorists should remember that their driving habits may have an influence on which octane grade they find best suited to their particular needs. A set of simple guidelines, indicating the appropriate fuels to be used, is available on the website as well as on all forecourts.

The NAAMSA vehicle compatibility database recommends that I retard the timing on my vehicle. Is this necessary and who does this work?

If you were using 95 octane unleaded petrol in the past, this will not be necessary, just continue to use 95 octane unleaded petrol. If you were using 97 octane leaded petrol, contact your vehicle supplier to confirm whether or not it is necessary to adjust the engine timing to prevent possible engine damage when operating your vehicle on 95 octane petrol at the coast. Contact details for the major vehicle manufacturers can be found on www.naamsa.co.za/unleaded/contact.php

Participating centres where free timing adjustments will be done

For more information please use the following Engen sources:

Customer Call Centre: 08600 36436

Technical Advice
Tel: 0860036436 press 3
Email: 1call@engenoil.com

Retail Station Forecourts:
Please ask the forecourt manager to assist in accessing the vehicle compatibility database information